How Does Early-Onset Differ From Late-Onset Neonatal Sepsis? Care Planning in the NICU

The monitor above the incubator beeps in a rhythm you have already learned by heart, and then a nurse says the word quietly, almost as an aside: sepsis. A blood test has been sent. Antibiotics are going up through the tiny line in your baby’s hand. Someone mentions that this is the “early-onset” kind, and you nod as if you know what that means.

Most parents in a neonatal intensive care unit (NICU, the ward for newborns who need intensive monitoring) meet the phrase early onset vs late onset neonatal sepsis this way, mid-crisis, with no glossary. The distinction sounds like jargon. It is not. It tells the team where the infection probably came from, which germs are likely, and how urgently and how broadly to treat.

What follows is the explanation you would want if you could stop the clock for twenty minutes: what the two labels mean, why the timing matters, how care differs, and which decisions the team will talk through with you.

What are the two types of neonatal sepsis?

Sepsis is the body’s overwhelming response to infection, in which the reaction itself starts to damage organs. In a newborn, the infection is usually bacterial and usually in the bloodstream, sometimes spreading to the fluid around the brain. The National Library of Medicine’s MedlinePlus describes neonatal sepsis as a blood infection occurring in an infant younger than 90 days, split by when it begins.

Early-onset sepsis starts within the first 72 hours of life. Many clinicians and researchers extend that window to the end of the first week, and the StatPearls review of neonatal sepsis in the NIH bookshelf notes both cut-offs are in use. Late-onset sepsis begins after 72 hours (or after day 7, depending on the definition) and can run through the first month or, in some frameworks, the first three months.

Why draw the line by the clock at all? Because timing is a proxy for source. A baby who becomes ill on day one almost certainly picked up bacteria in the womb or the birth canal. A baby who becomes ill on day twelve, after a week in an incubator with a feeding tube and a central venous line, most likely acquired the organism afterwards, from skin, equipment or the hands of caregivers.

Neonatal sepsis overall is uncommon: StatPearls puts the incidence at roughly 1 to 5 cases per 1,000 live births in higher-resource settings, with much higher rates in premature babies. Uncommon does not mean minor. It remains one of the leading reasons a newborn is admitted to intensive care, and one of the few conditions where hours genuinely count.

Early onset vs late onset neonatal sepsis: where the bacteria come from

Think of early-onset sepsis as a birth story. The organisms involved live, harmlessly most of the time, in the birth parent’s vagina or gut. Group B streptococcus (GBS) is the classic example; the CDC estimates that about 1 in 4 pregnant women carry it without symptoms. Escherichia coli is the other major culprit and has become relatively more prominent as GBS prevention has improved. During labor, or once the membranes rupture, these bacteria can ascend into the uterus. The baby swallows or inhales them, or they cross an inflamed placenta, and the infant is born already colonized or infected.

Late-onset sepsis is a different story, set after birth. The StatPearls review lists coagulase-negative staphylococci (a group of skin bacteria that are harmless on intact skin but troublesome on plastic lines) as the most frequent cause in NICUs, followed by Staphylococcus aureus, gram-negative rods such as Klebsiella and Pseudomonas, and, in very premature infants, the yeast Candida. GBS can also cause late-onset disease, though the route is less clear and prevention during labor does not reliably stop it.

The distinction matters at the bedside because the two groups of bacteria respond to different antibiotics. Early-onset bugs are, by and large, sensitive to penicillin-type drugs. Late-onset organisms include staphylococci that often are not, and hospital-acquired gram-negatives that may carry resistance genes. A team that knows which story it is reading can choose treatment that fits the likely villain rather than guessing.

Why the 72-hour line matters, and where it blurs

Cut-offs feel arbitrary, and researchers have argued for years about whether 72 hours or 7 days is the better boundary. The reason to care is practical rather than philosophical. Before 72 hours, the risk calculation leans on the mother’s history: was she GBS-positive, did she have a fever in labor, how long were the membranes ruptured, was the baby premature? After 72 hours, the calculation leans on the baby’s exposures: how many days on a ventilator, how long a central line has been in place, how fragile the skin is.

The boundary blurs at the edges. A baby born at 26 weeks may have a bloodstream infection on day five that is GBS acquired at birth, or a skin organism that entered through a line placed on day one. The same baby, seen a week later, might have both. Clinicians therefore treat the labels as a starting point, not a verdict. The blood culture (a sample of blood placed in a nutrient bottle to see whether bacteria grow) settles the question of which organism is present, and the antibiotic choice is adjusted once that answer is in.

There is also a middle territory that the older definitions miss. Community-acquired infections in babies who went home well and returned at two or three weeks old form a group of their own, with different organisms again, including GBS and E. coli acquired late, and viruses that can mimic bacterial sepsis. The StatPearls authors and others have suggested that “hospital-acquired” and “community-acquired” may eventually describe late-onset disease more usefully than the calendar alone.

What actually happens when the NICU suspects sepsis

The sequence looks alarmingly fast from a parent’s chair, and it is meant to. Once a clinician suspects sepsis, the standard approach, described consistently by MedlinePlus, the NHS and the StatPearls review, is to collect samples and start antibiotics without waiting for results.

A blood culture is drawn first, ideally before the first antibiotic dose, because antibiotics in the bloodstream can stop bacteria growing in the bottle and hide the diagnosis. Blood is also sent for a full blood count and often for inflammatory markers such as C-reactive protein (CRP), a protein the liver releases in response to infection. Depending on the baby’s age and how unwell they look, the team may also perform a lumbar puncture (a needle sample of the fluid surrounding the spinal cord) to check for meningitis, take a urine sample, and order a chest X-ray if breathing is labored.

Then the waiting begins. Cultures need time for bacteria to multiply to detectable levels. Modern automated systems flag most true positives within 24 to 36 hours, and many NICUs review the case at 36 to 48 hours; if the culture is negative and the baby looks well, antibiotics are usually stopped at that point, according to the StatPearls review. If the culture grows an organism, the laboratory then tests which antibiotics kill it, a process that typically adds another day.

Alongside the medicines, the team supports whatever the infection is straining: extra oxygen or breathing support, intravenous fluids or medicines to hold blood pressure, warmth, and careful attention to blood sugar. In a newborn, that supportive care is not a side note. It is often what carries the baby through the first 48 hours while antibiotics do their work.

Early onset neonatal sepsis symptoms: why newborns rarely look 'textbook'

Adults with sepsis run fevers, shiver and become confused. Newborns often do none of these things. Their immune systems are immature, and their repertoire of distress signals is small, so the same few changes appear whether the problem is infection, a heart defect or simply the transition to breathing air.

MedlinePlus lists the features clinicians watch for: changes in body temperature (low as often as high), breathing difficulty or pauses in breathing, a slow or fast heart rate, poor feeding, vomiting, a swollen belly, reduced movement or floppiness, jitteriness or seizures, a yellow tint to the skin, and mottled or pale color. The NHS adds that a baby with sepsis may have a weak, high-pitched cry unlike their normal cry.

Notice how vague that list is. Poor feeding describes half the babies in any postnatal ward on day one. That vagueness is precisely why NICU teams have a low threshold for testing and treating. They are not diagnosing sepsis from symptoms; they are ruling it out.

The early-onset form tends to declare itself in the first 12 to 24 hours, often as breathing trouble in a baby who was otherwise expected to be well. Late-onset sepsis, by contrast, frequently appears as a subtle change noticed by an experienced nurse: a baby who has been stable suddenly needing more oxygen, tolerating feeds less well, or handling less comfortably. Parents who spend long hours at the cot side often notice such shifts before anyone else, and NICU teams generally want to hear about them.

Who is treated right away, and who is watched instead?

Not every baby with a risk factor receives antibiotics, and the decision about who does has shifted considerably. The traditional approach treated many well-appearing babies on the strength of maternal history alone. Current thinking, reflected in CDC and professional-society guidance, tries to spare well babies unnecessary intravenous drugs while catching the rare one who is truly infected.

Babies who are clinically unwell at birth, with breathing difficulty, poor perfusion or temperature instability, are treated immediately regardless of history. So, in most units, are babies whose mothers had confirmed chorioamnionitis (infection of the membranes and amniotic fluid, usually signaled by maternal fever in labor).

The middle group is where judgement comes in. A full-term baby who looks well but whose mother was GBS-positive and did not receive antibiotics in labor, or whose membranes were ruptured for a prolonged period, may be observed closely rather than treated, with vital signs checked at set intervals over the first 24 to 48 hours. Many units use structured risk calculators that combine gestational age, maternal temperature, membrane rupture time and GBS status to estimate the probability of early-onset infection and suggest observation, testing or treatment.

For late-onset sepsis the equation changes. A premature baby with a central line who deteriorates is almost always cultured and treated promptly, because the pre-test probability is high and the cost of delay is steep. Who is “asked to wait” here is usually the stable baby with a single ambiguous sign, in whom a period of enhanced observation is chosen over immediate antibiotics. The treating team, who can see the baby and the trend, makes that call.

Early-onset vs late-onset at a glance

The differences are easier to hold in the mind side by side. The figures below are typical patterns described in the StatPearls review of neonatal sepsis and CDC group B strep information, not rules for any individual baby.

Feature	Early-onset sepsis	Late-onset sepsis
Timing of onset	Within 72 hours of birth (up to 7 days in some definitions)	After 72 hours (or after day 7) through the first weeks or months
Usual source	Birth parent’s genital or gut bacteria, acquired before or during birth	Environment after birth: skin, lines, tubes, caregivers’ hands, sometimes the community
Most common organisms	Group B streptococcus, E. coli	Coagulase-negative staphylococci, Staphylococcus aureus, gram-negative rods, Candida, GBS
Key risk factors	Maternal GBS carriage, maternal fever in labor, prolonged membrane rupture, prematurity	Very low birth weight, central venous lines, mechanical ventilation, prolonged NICU stay, prior antibiotics
Typical first sign	Breathing difficulty or poor color in the first day	Subtle deterioration in a previously stable baby: rising oxygen need, feed intolerance
Initial antibiotic strategy	Narrower cover aimed at GBS and E. coli	Broader cover including staphylococci and hospital gram-negatives; adjusted to culture results
Main prevention	GBS screening in pregnancy and antibiotics during labor for carriers	Hand hygiene, careful line care, early line removal, breast milk feeding

Two things stand out. The organisms differ, which drives the antibiotic choice. And the prevention strategies live in entirely different places: one in the antenatal clinic and labor ward, the other in the daily routines of the NICU itself.

How antibiotic choices differ between early and late onset sepsis

Antibiotics for suspected sepsis are chosen empirically, meaning before the culture result, on the basis of which organisms are most likely. That is why the early-versus-late label matters so much in the first hours.

For suspected early-onset sepsis, the StatPearls review describes the widely used combination of a penicillin-type antibiotic (which disrupts the bacterial cell wall and is reliably active against GBS) with an aminoglycoside (a class that blocks bacterial protein production and covers E. coli and related gram-negatives). Together they cover the two leading organisms while remaining relatively narrow, which limits pressure on the baby’s developing gut bacteria.

For suspected late-onset sepsis in a NICU, the likely organisms include staphylococci that resist penicillin-type drugs, so many units add an agent active against those, alongside gram-negative cover chosen with the unit’s own resistance patterns in mind. If a baby is very premature or has been on prolonged antibiotics, antifungal treatment may be considered because Candida becomes more likely. None of this is a fixed recipe. Choices vary between units and are adjusted the moment culture results arrive; if a specific organism grows, cover is usually narrowed to the single most appropriate drug.

Duration follows the same logic. StatPearls notes that antibiotics are commonly stopped at 36 to 48 hours if cultures stay negative and the baby is well, while culture-proven bloodstream infection is typically treated for around 7 to 10 days and meningitis for longer, often 14 to 21 days depending on the organism. These are typical ranges from the literature, not promises. The prescribing team sets and revises the plan for each baby, and parents should feel free to ask what the current plan is and what would change it.

What do the CDC guidelines say about early-onset neonatal sepsis?

The single biggest public-health success in this field is the prevention of early-onset GBS disease, and it is the reason the CDC name appears so often in sepsis conversations. GBS was once the dominant cause of early-onset sepsis. The CDC reports that since guidelines for screening and intrapartum antibiotics were introduced in the 1990s, early-onset GBS disease in newborns has fallen by more than 80 percent.

The strategy has two parts. First, a swab of the vagina and rectum is taken late in pregnancy, at 36 to 37 weeks, to find out whether the parent carries GBS. Second, those who carry it, or who have other risk factors such as a previous baby with GBS disease or GBS in the urine during pregnancy, receive intravenous antibiotics during labor. This is called intrapartum antibiotic prophylaxis. The antibiotic reaches the baby through the placenta and reduces the number of bacteria in the birth canal, so far fewer infants are colonized at birth. The CDC notes that antibiotics before labor do not work, because the bacteria simply return.

The prevention guidance itself is now maintained by the American College of Obstetricians and Gynecologists and the American Academy of Pediatrics, with the CDC continuing to track cases through its Active Bacterial Core surveillance. For the newborn side, the pediatric guidance encourages units to move away from treating all babies with a risk factor and toward structured assessment of the individual infant, as described in the earlier section on who is treated and who is observed.

Two caveats matter. Intrapartum antibiotics do not prevent late-onset GBS disease. And they do nothing against E. coli, which is why early-onset sepsis has not disappeared, only changed its face.

Late-onset sepsis in preterm babies: lines, tubes and fragile skin

If early-onset sepsis is mostly a full-term and preterm story alike, late-onset sepsis is overwhelmingly a story about prematurity. The StatPearls review describes the risk as rising steeply as gestational age and birth weight fall, with very low birth weight infants at greatest risk.

The reasons are anatomical and practical. A baby born at 28 weeks has skin so thin that it offers little barrier to bacteria. The immune system is immature: antibodies transferred from the parent cross the placenta mostly in the third trimester, so a very preterm baby arrives with less of that borrowed protection. Then there are the devices that keep the baby alive. A central venous line (a long, thin catheter that delivers nutrition and medicines into a large vein) is a highway for skin bacteria into the bloodstream. A breathing tube bypasses the nose’s defenses. A feeding tube passes the mouth’s. Every day each device stays in place adds a small increment of risk.

This is why so much NICU routine looks like ritual. Hand-washing before every touch. Chlorhexidine skin preparation before line insertion. Sterile gowns and drapes for line placement. Daily discussion on rounds about whether each line is still needed, because the surest way to prevent a line infection is to take the line out. Breast milk, which carries antibodies and beneficial bacteria, is encouraged partly for its association with lower infection rates in preterm infants.

None of these measures makes late-onset sepsis impossible. They lower the odds, and they are the reason a parent asked to wash their hands for the fifth time in an afternoon is being invited into the prevention effort, not being fussed over.

What the next days and weeks usually look like

Parents often want a map. Here is a typical one, drawn from the timelines described in the StatPearls review and MedlinePlus, with the caveat that individual babies wander off it constantly.

Hours 0 to 48. Cultures are taken, antibiotics start, and supportive care is intensified. This window is usually the most anxious. The team is waiting for the laboratory and watching the baby’s breathing, circulation and temperature closely. Feeds may be paused and replaced with intravenous fluids or nutrition.

Hours 36 to 72. A decision point. If cultures are negative and the baby has recovered, antibiotics are commonly stopped and the episode is recorded as suspected, not proven, sepsis. If an organism has grown, the team names it, checks its antibiotic sensitivities and narrows or changes treatment. A lumbar puncture may be done now if it was deferred earlier.

Days 3 to 10. For culture-proven bloodstream infection, antibiotics continue through a full course, often around 7 to 10 days. Repeat blood cultures may be taken to confirm the blood has cleared. Feeds are usually reintroduced and built up. If a central line was the suspected source, it may be removed and replaced.

Days 10 to 21 and beyond. Meningitis or infections in bone or joint require longer treatment. Babies who were very premature may have additional monitoring, including a hearing test if certain antibiotics were used, and brain imaging where meningitis was present.

Recovery from the infection is not the same as discharge. Most babies in a NICU have other reasons to be there, and the sepsis episode sits within that longer stay. The team will usually give a sense of the overall trajectory rather than a date.

How parents can help: comfort, closeness and clean hands

It is easy to feel that the machines are doing everything and you are doing nothing. That is not how NICU teams see it, and the evidence supports them.

Skin-to-skin contact, often called kangaroo care, is encouraged in most units once a baby is stable enough, even during antibiotic treatment. It steadies temperature and heart rate, supports breastfeeding, and helps the parent’s own bacteria colonize the baby’s skin and gut, which is thought to be preferable to hospital organisms taking that space. Ask the nursing team when it is safe and how to manage the lines and tubes while holding.

Expressed breast milk, where a parent is able and chooses to provide it, is routinely encouraged in NICUs because of its association with lower rates of late-onset infection and gut complications in premature babies. Lactation support is part of the team; ask for it early, because supply is easiest to establish in the first days.

Hand hygiene is the single most effective infection-control measure in any hospital, and parents are part of that system. Wash to the elbows, remove rings and watches, and do not feel awkward about reminding a visitor. Staying home when you have a cold or a stomach bug is a genuine act of protection, even though it is hard.

Finally, observation. Parents who sit for hours at the cot side learn their baby’s baseline better than anyone. A change in color, cry, breathing or responsiveness that seems small to you is worth mentioning. Nurses would far rather hear ten observations that turn out to be nothing than miss the one that matters.

What people often get wrong about neonatal sepsis

Some misunderstandings surface again and again in NICU family rooms, and clearing them up tends to lower the temperature.

“Antibiotics were started, so my baby definitely has sepsis.” Not necessarily. Most babies started on antibiotics for suspected early-onset sepsis turn out to have negative cultures and stop treatment within two days. Starting is a safety net, not a diagnosis.

“A negative test means there was never any infection.” Blood cultures can miss infection, particularly when only a small volume of blood is obtained or antibiotics were given before sampling. That is why the team weighs the culture alongside how the baby looked and behaved before deciding whether to stop.

“Group B strep screening in pregnancy guarantees protection.” It sharply reduces early-onset GBS disease but does not prevent late-onset GBS, does not protect against E. coli, and can be missed when labor comes before the swab or moves too fast for antibiotics to be given.

“Late-onset sepsis means someone in the NICU was careless.” Very premature babies have thin skin, immature immunity and essential lines; infection can occur despite meticulous care. Units track their rates and work to reduce them, but a single episode is not evidence of a lapse.

“Fever is the main sign.” Newborns, especially preterm ones, are as likely to run cold as hot, and many have entirely normal temperatures while septic.

“Once the antibiotics finish, it is over.” For most babies it is. For some, particularly after meningitis, follow-up of hearing and development is part of the plan, and the team should explain what, if anything, is scheduled.

Questions to ask your care team

NICU rounds move quickly, and questions evaporate the moment the doctors walk away. Writing them down helps. These are the ones that tend to unlock the most useful conversations.

• Is this being treated as early-onset or late-onset sepsis, and what makes you think so?
• Which tests have been sent, and when do you expect results back?
• Was a lumbar puncture done, or is one planned? If not, why not?
• What antibiotics is my baby on, what do they cover, and what would make you change them?
• If the cultures come back negative, what is the plan? If they come back positive, how would the plan change?
• How long do you currently expect treatment to last, and what could shorten or lengthen it?
• Is there a central line? Do you think it could be the source, and are you considering removing it?
• Can I hold my baby skin-to-skin during treatment? Is there anything I should do differently while lines are in place?
• Is there anything about my labor or my GBS status I should know for a future pregnancy?
• Will my baby need any follow-up because of this infection, such as a hearing test or developmental review?
• Who should I speak to if I notice a change in my baby, and how quickly?

Notice that several of these questions are about contingencies: what happens if. Good teams think in those terms already, and asking invites them to share the reasoning rather than just the current orders. You are entitled to understand the plan, and to hear it again the next day when it has changed.

When to call your doctor: red flags for neonatal sepsis

Inside the NICU, the team is watching continuously and you can raise a concern at any moment. The harder question comes after discharge, when late-onset sepsis remains possible in the first weeks and the monitoring is yours.

The NHS advises calling emergency services or going straight to an emergency department if a baby shows any of the following: skin that looks blue, gray, pale or blotchy; a rash that does not fade when a glass is pressed against it; difficult or fast breathing, grunting, or pauses in breathing; a weak, high-pitched cry that is not their normal cry; being unusually sleepy, floppy or difficult to wake; or not feeding or repeatedly vomiting. The NHS also flags a temperature that is either high or unusually low, particularly in a baby under three months.

MedlinePlus adds jitteriness or seizures, a swollen belly, and a sudden change in color or activity to the list of reasons to seek care urgently for a newborn. A baby who has recently been treated for sepsis, or who was born prematurely, should be brought back sooner rather than later; the threshold for review is deliberately low in the first months.

If you are unsure whether a change is serious, call. Sepsis in a newborn can move from subtle to severe over a few hours, and clinicians would rather see a well baby than hear about a sick one late. Trust the instinct that something is different, and say so plainly when you arrive: “My baby was treated for sepsis in the NICU and I think they are not right.” That sentence changes how quickly you are seen.

Frequently asked questions

What are the two types of neonatal sepsis?

The two types are early-onset and late-onset sepsis, separated by when signs begin. Early-onset appears within the first 72 hours of life (some definitions use 7 days) and is acquired from the birth parent before or during birth. Late-onset appears after that window and is usually acquired from the environment, most often in premature babies with intravenous lines. The labels guide which organisms are suspected and which antibiotics are chosen.

What are the early onset neonatal sepsis symptoms clinicians look for?

Clinicians look for breathing difficulty, pauses in breathing, abnormal heart rate, a temperature that is low or high, poor feeding, floppiness or reduced movement, pale or mottled skin, and jitteriness or seizures. Early-onset sepsis often shows itself as breathing trouble within the first day. Because these signs are nonspecific in newborns, the diagnosis rests on blood cultures and other tests rather than symptoms alone.

What is a red flag for neonatal sepsis after going home?

Red flags include blue, gray, pale or blotchy skin, a rash that does not fade under a pressed glass, fast or labored breathing, a weak or high-pitched cry, unusual sleepiness or floppiness, refusal to feed, and a temperature that is high or unusually low. The NHS advises emergency care for any of these in a young baby. A newborn recently treated for sepsis should be seen quickly for any concerning change.

What are the CDC early-onset sepsis guidelines based on?

They are based on screening pregnant women for group B streptococcus at 36 to 37 weeks and giving intravenous antibiotics during labor to those who carry it or have other risk factors. The CDC credits this approach with reducing early-onset GBS disease by more than 80 percent since the 1990s. Newborn-side guidance now encourages structured risk assessment so that well babies are observed rather than automatically treated.

Why is late-onset sepsis more common in preterm babies?

Premature babies have thin skin, immature immune systems and less protective antibody transferred from the parent, and they depend on central lines, breathing tubes and feeding tubes that bypass natural defenses. Each device is a potential route for skin or hospital bacteria into the bloodstream. Risk rises as gestational age and birth weight fall, which is why NICUs focus so intensely on hand hygiene and line care.

How long does a baby stay on antibiotics for suspected sepsis?

It depends on the culture result and how the baby looks. If blood cultures remain negative at 36 to 48 hours and the baby is well, many units stop antibiotics then. If a bacterium grows, treatment for a bloodstream infection typically lasts around 7 to 10 days, and meningitis is treated for longer, often 14 to 21 days. The treating team sets and revises the duration for each baby.

Does a negative blood culture mean my baby never had sepsis?

Not always. Blood cultures can miss infection when only a small blood volume is collected or when antibiotics were given before the sample. Clinicians therefore interpret the culture alongside the baby’s condition, other blood tests and the course over 48 hours. Many babies treated for suspected early-onset sepsis have negative cultures and stop antibiotics early, which usually means infection was unlikely, not that the caution was wasted.

Can group B strep cause late-onset sepsis even after antibiotics in labor?

Yes. Antibiotics during labor mainly prevent early-onset GBS disease by reducing bacteria in the birth canal at delivery. They do not reliably prevent late-onset GBS infection, which can appear after the first week from sources that are less well understood. Late-onset GBS disease is less common than early-onset was before screening, but it has not declined in the same way, according to the CDC.

Can I hold my baby during sepsis treatment in the NICU?

Often, yes. Skin-to-skin contact is encouraged in most units once a baby is stable, even while intravenous antibiotics are running, because it supports temperature, heart rate and feeding. The nursing team will show you how to manage lines and monitoring leads during a hold and will tell you if there is a reason to wait, such as an unstable breathing pattern or a recent procedure.

Will my baby need follow-up after neonatal sepsis?

Many babies who recover from a straightforward bloodstream infection need no specific follow-up beyond routine care. Babies who had meningitis, who were very premature, or who received certain antibiotics may be offered hearing tests, brain imaging or developmental review. Your care team should explain before discharge what, if anything, is planned and who to contact if you notice a change in your baby’s feeding, alertness or breathing.

References

• MedlinePlus Medical Encyclopedia: Neonatal sepsis
• NIH National Library of Medicine, StatPearls: Neonatal Sepsis
• CDC: About Group B Strep
• NHS: Sepsis – symptoms and when to get help

This article is for general information only and is not a substitute for professional medical advice. Please consult a qualified doctor about your individual situation.