The UK childhood immunisation schedule is a list of vaccines offered free to every child by the NHS, against the diseases that, before vaccination, killed and disabled large numbers of children every year. The schedule changes occasionally as new vaccines become available or evidence updates. This article walks through the current schedule (2026), what each vaccine protects against, what to expect, and the most-asked safety questions. Healthbooq keeps your child's vaccination record alongside the rest of their health information.
Why the Schedule Looks the Way It Does
Vaccines are timed to two things:
- The age at which the immune system can mount a useful response. Newborns can respond to some vaccines but not others; the schedule is calibrated to give each vaccine when it will work best.
- The age at which the disease is most dangerous. Whooping cough kills young babies far more readily than older children, which is why the first dose is at eight weeks rather than two years. Measles is most dangerous in the first year, which is why MMR is given at twelve months as soon as maternal antibodies have faded enough to let the vaccine work.
A common worry is that giving several vaccines together "overloads" a baby's immune system. It does not. A healthy infant's immune system encounters hundreds of new antigens every day from the air, food, and skin contact. The handful of antigens in a vaccine combination is a tiny addition. Combined vaccines also reduce the number of injections — the six-in-one is one injection covering six diseases.
The 2026 UK Schedule at a Glance
8 weeks:- 6-in-1 (diphtheria, tetanus, whooping cough, polio, Hib, hepatitis B)
- MenB (meningococcal B)
- Rotavirus (oral drops)
- 6-in-1 (second dose)
- Pneumococcal (PCV13)
- Rotavirus (second dose)
- 6-in-1 (third dose)
- MenB (second dose)
- Hib/MenC
- MMR (measles, mumps, rubella) first dose
- Pneumococcal booster
- MenB booster
- MMR second dose
- 4-in-1 (diphtheria, tetanus, whooping cough, polio) pre-school booster
- Flu vaccine — usually as a nasal spray, in autumn
- HPV (boys and girls)
- 3-in-1 teenage booster (diphtheria, tetanus, polio)
- MenACWY
This is the standard schedule. Children with specific medical conditions may be offered additional vaccines (extra flu, BCG against tuberculosis in some areas, others). The NHS website maintains the current schedule and any updates.
What Each Vaccine Protects Against
Diphtheria. Bacterial infection of the throat causing a thick membrane that obstructs breathing. Now rare in the UK because of vaccination; still seen in unvaccinated populations.
Tetanus. Bacterial toxin from soil bacteria, causing severe muscle spasms. Fatal without treatment in 10–20% of cases.
Pertussis (whooping cough). Bacterial infection. Mild in adults, life-threatening in young babies. Causes prolonged severe coughing fits and apnoea (stopping breathing) in infants.
Polio. Viral infection that can cause permanent paralysis. Eliminated in most of the world by vaccination; still circulating in a few countries.
Hib (Haemophilus influenzae type b). Bacterial infection that, before vaccination, was the leading cause of bacterial meningitis in young children.
Hepatitis B. Viral infection of the liver. Can cause chronic liver disease and liver cancer if acquired in infancy.
MenB and MenACWY. Meningococcal bacterial infections. Cause meningitis and septicaemia. Can kill within hours.
Rotavirus. Viral cause of severe diarrhoea and vomiting in young children. Leading cause of dehydration deaths globally.
Pneumococcal (PCV13). Bacterial infections including pneumonia, meningitis, and ear infections.
Measles. Highly contagious viral infection. Causes pneumonia, brain inflammation, and (rarely) a fatal degenerative brain condition years later. Still kills children worldwide where vaccination is incomplete.
Mumps. Viral infection causing painful swelling of salivary glands. Can cause meningitis and infertility.
Rubella. Viral infection. Mild in children but causes serious birth defects if a pregnant woman is infected.
Flu (influenza). Annually variable strains. The childhood nasal spray protects children themselves and reduces transmission to elderly relatives.
HPV. Human papillomavirus, the cause of nearly all cervical cancers and several other cancers. Most effective when given before any sexual contact.
Common Side Effects
Most vaccines produce some response, which is the immune system working as intended. Normal reactions:
- Injection site: redness, swelling, tenderness for 1–2 days
- Low-grade fever: especially after MenB; can last 24–48 hours
- Irritability, sleepiness, reduced appetite: for a day or so
- Mild rash: sometimes 7–10 days after MMR (a brief mild measles-like rash that is not contagious)
For MenB specifically (8 and 16 weeks), Public Health England recommends giving paracetamol liquid suspension at the time of vaccination and again at 4–6 hours and 8–12 hours, to reduce post-vaccination fever. The current advice is the standard infant paracetamol dose for the child's age and weight; check the leaflet, the NHS website, or with your nurse.
For most other vaccines, paracetamol is only needed if the child seems uncomfortable or has a fever; not as a routine.
Serious Reactions Are Rare
The risks honestly:
- Anaphylaxis (severe allergic reaction): roughly 1 per million doses. Vaccinations are given in clinics that can manage anaphylaxis; clinic staff observe for any reaction.
- Febrile seizure (brief seizure with fever, particularly in 1–3 year olds): very rare, no lasting harm.
- Idiopathic thrombocytopenic purpura (low platelets) after MMR: rare, almost always resolves on its own.
Compare with the diseases:
- Measles: 1 in 1000 cases causes brain inflammation; 1 in 5000 fatal in the UK
- Whooping cough in babies: 1 in 100 deaths in unvaccinated infants
- Hib meningitis (pre-vaccine era): 1 in 25 children would have died, with brain damage in survivors
- Polio (pre-vaccine era): 1 in 200 infections caused paralysis
The numbers come down clearly on the side of vaccination.
The MMR-Autism Question
This deserves a direct answer because it still circulates.
The claim that MMR causes autism originated in a 1998 paper by Andrew Wakefield in The Lancet, based on twelve children. Subsequent investigation revealed:
- Wakefield had manipulated the medical records of the children studied
- He had undisclosed financial conflicts of interest (paid to find evidence supporting litigation)
- His co-authors disowned the conclusions
- The paper was retracted by The Lancet in 2010
- Wakefield was struck off the UK medical register for serious professional misconduct
Since 1998, more than 20 large independent studies — including a Danish study of 657,000 children, an Italian study of 95,000, and meta-analyses covering several million children — have looked for any link between MMR and autism. None have found one. This is one of the most extensively studied questions in vaccine epidemiology and the answer is unambiguous: there is no link.
Autism is identifiable around 12–18 months in many cases, which is the same age MMR is given. This temporal coincidence drove the original suspicion. The repeated independent research found that children who do not receive MMR have the same rate of autism as children who do.
The decline in MMR uptake after the 1998 paper has been associated with measles outbreaks, hospitalisations, and deaths in the UK and elsewhere. UK uptake remains below the 95% threshold needed for herd immunity in some areas as of 2026, and measles cases have risen as a result. This is the practical cost of the disinformation.
Vaccinating While Unwell
Mild illnesses (cold, mild cough, low-grade fever) are not a reason to delay vaccination. The immune system handles both. Reasons to delay:
- Significant fever or acute illness — wait until well
- Recent live vaccine within four weeks (rare scenario)
- Anaphylaxis to a previous dose or a vaccine ingredient
Pregnancy is a contraindication for live vaccines (MMR specifically); women planning pregnancy should ensure their MMR is up to date and avoid pregnancy for one month afterwards. Most other vaccines are safe in pregnancy and pertussis, flu, and (since 2024) RSV vaccines are actively offered to pregnant women.
What If You Miss a Dose
The schedule has flexibility. Missing a dose does not mean starting over. The GP surgery can catch up an incomplete schedule. The NHS guidance covers most catch-up scenarios. Children who arrive in the UK partway through childhood are offered any missing vaccinations.
How to Make It Easier
Practical things that reduce the stress of the appointment:
- Feed the baby beforehand (breastfeeding during or immediately after a vaccination is one of the most evidence-based ways to reduce pain and crying — analgesic effect of suckling)
- Skin-to-skin in the appointment
- Distraction toys for older babies
- Honest age-appropriate language for older children — "the nurse is going to give you a quick injection. It will hurt a bit, like a sharp pinch. Then it will be done."
- No false promises ("it won't hurt at all" — they will remember)
- Rewards afterwards — a sticker, a small treat
- Both parents in the appointment if possible for the first round
Buzzy (a vibrating ice pack) and ShotBlocker reduce pain in older children; these are not standard NHS issue but are widely used in private settings and parents sometimes bring their own.
Where Records Live
Vaccinations are recorded in the child's Personal Child Health Record (the "red book"). Bring it to every appointment so it can be updated. Records are also held electronically by the GP surgery.
If the red book is lost, the GP can usually retrieve the record from electronic records. For families who travel or move countries, asking the surgery for a printed vaccination record is straightforward.
A Final Practical Note
The schedule looks long when written out. In practice it is roughly five appointments in the first year, two more before school, and an annual flu vaccine. The diseases on the schedule still kill children where vaccination is not available; we have largely forgotten what they look like because vaccination has worked. Continuing it is one of the simplest, most effective things parents can do for their child's health.
Key Takeaways
The UK schedule covers the most dangerous childhood infections from eight weeks of age. The timing is set by when the immune system can respond and when the disease is most dangerous. Side effects are usually minor and brief. The MMR-autism claim has been definitively disproven by studies covering millions of children. Declining vaccination affects not just one child but the wider community.
