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Infant vaccination

Infant vaccination series: the NHS schedule for babies under 1 year

Babies in the UK are offered vaccines at 8, 12 and 16 weeks old that protect against serious illnesses including diphtheria, tetanus, whooping cough, polio, hepatitis B, Hib, rotavirus, meningitis and pneumococcal disease. This guide sets out the NHS infant schedule, what each vaccine does, how they are given, common side effects, and what to do if an appointment is missed.

Last checked: 2026-10-10

Key facts

At a glance.

  • Starts at 8 weeks

    The NHS schedule gives the 6-in-1, rotavirus and MenB vaccines (first doses) at 8 weeks old.

  • Three visits in the first year

    Further doses follow at 12 weeks and 16 weeks, with MenB and pneumococcal doses continuing at 1 year.

  • Six illnesses in one injection

    The 6-in-1 protects against diphtheria, hepatitis B, Hib, polio, tetanus and whooping cough.

  • Rotavirus vaccine is oral

    The NHS says it is given as a liquid squirted into the baby’s mouth, as two doses at 8 and 12 weeks.

  • Late is better than never

    The NHS says it is important to have vaccines on time, but if one is missed you should contact your GP, and most can still be given later.

The infant schedule at a glance

The NHS vaccination schedule lists the vaccines for babies under 1 year old as below. The NHS says it is important that vaccines are given on time for the best protection, but that if a vaccine is missed you should contact your GP to catch up. Your GP surgery usually contacts you about your baby’s vaccinations by letter, text, phone call or email.

NHS vaccines for babies under 1 year old
AgeVaccines
8 weeks6-in-1 (1st dose); rotavirus (1st dose); MenB (1st dose)
12 weeks6-in-1 (2nd dose); MenB (2nd dose); rotavirus (2nd dose)
16 weeks6-in-1 (3rd dose); pneumococcal (1st dose)
1 yearMMRV (1st dose, children born on or after 1 January 2025); pneumococcal (2nd dose); MenB (3rd dose)

The 6-in-1 vaccine

The NHS says the 6-in-1 vaccine helps protect children against 6 serious illnesses: diphtheria, hepatitis B, Hib (Haemophilus influenzae type b), polio, tetanus and whooping cough. Children have 4 doses as part of the schedule: at 8, 12 and 16 weeks, and at 18 months for children born on or after 1 July 2024.

If your child has missed their 6-in-1 vaccinations the NHS says to contact the GP surgery, and they can still have the vaccine up to the age of 10. Most children can have it; the only reasons they cannot are a serious allergic reaction to a previous dose or an ingredient. If a child has a condition affecting the brain, such as epilepsy, the NHS advises speaking to a doctor, nurse or health visitor before they have it.

Common side effects include swelling or pain where the injection was given, a high temperature, tiredness, loss of appetite, being sick or diarrhoea, and irritability, and children’s paracetamol can ease symptoms. The NHS says to ask for an urgent GP appointment or call 111 if a baby under 3 months has a temperature of 38°C or higher, or one aged 3 to 6 months has a temperature of 39°C or higher, or if you are worried.

The rotavirus vaccine

Rotavirus is an infection that causes diarrhoea and vomiting. The NHS says it is very common, especially in babies and young children, and that although most children get better in a few days, some become very dehydrated and need treatment in hospital and, very rarely, it can be life-threatening. It spreads very easily.

Babies are given 2 doses, at 8 and 12 weeks old. The NHS says the first dose can still be given up to 15 weeks old and the second up to 24 weeks old if missed. The vaccine is a liquid squirted into the baby’s mouth, and if the baby spits it out straight away another dose is given. The most common side effects are diarrhoea and irritability, and there is a very small risk of bowel blockage (intussusception) in the week after being vaccinated, so parents are told to seek urgent advice for signs such as persistent vomiting, blood in the poo or redcurrant-jelly-like poo, a swollen or painful tummy, or stopping feeding.

The MenB vaccine

The NHS says the MenB vaccine helps protect against meningococcal group B bacteria, which can cause meningitis, septicaemia and sepsis. Children are offered 3 doses, at 8 weeks, 12 weeks and 1 year, with other routine vaccines, and can still have it up to the age of 2 if they missed it.

Fever is a particular consideration. The NHS recommends giving a baby 3 doses of children’s paracetamol after the MenB vaccinations at 8 and 12 weeks to help prevent or treat a high temperature: the first as soon as possible after being vaccinated, the second 4 to 6 hours later and the third 4 to 6 hours after that, leaving at least 4 hours between doses and not more than 4 doses in 24 hours. It says to seek advice if a child still has a high temperature more than 48 hours after vaccination.

The pneumococcal vaccine

The NHS schedule lists the first dose of the pneumococcal vaccine at 16 weeks and the second at 1 year. The NHS vaccinations hub describes it as a vaccine for people at higher risk of pneumococcal infections, such as babies and adults aged 65 and over. The routine infant doses are part of the programme described on the NHS schedule page, and your GP surgery will arrange them.

Safety, allergies and illness

The NHS says serious side effects such as a severe allergic reaction (anaphylaxis) are very rare and usually happen within minutes, and that the person who vaccinates your child is trained to deal with allergic reactions and treat them immediately. If a baby has a high temperature the vaccine is delayed until they feel better, but a baby who is unwell without a high temperature may still be able to have it, which is worth checking with a doctor, nurse or health visitor.

For rotavirus vaccine specifically, the NHS lists conditions where it is not given, including a previous serious allergic reaction, severe combined immunodeficiency, a past bowel blockage or higher risk of intussusception, and certain rare sugar-intolerance conditions, and it says if the mother took biological medicines during pregnancy or breastfeeding the baby may not be able to have it. Speak to your GP surgery if you are not sure.

Practical points for parents

The NHS says babies can have the rotavirus vaccine at the same time as other vaccines and can feed and do usual activities, including swimming, afterwards. For a few weeks after being vaccinated the baby’s poo may contain a weakened version of rotavirus, so it is a good idea to keep washing your hands regularly, especially after changing nappies.

If you have not been contacted about your baby’s vaccinations, or you need to change an appointment, the NHS says to speak to your GP surgery, which can arrange a new appointment.

Frequently asked

Questions people ask.

Quick, plain-English answers to the questions we hear most.

  • When do babies have their first vaccines?

    At 8 weeks old, according to the NHS schedule: the 6-in-1, rotavirus and MenB vaccines.

  • What does the 6-in-1 vaccine protect against?

    Diphtheria, hepatitis B, Hib, polio, tetanus and whooping cough, according to the NHS.

  • How is the rotavirus vaccine given?

    As a liquid squirted into the baby’s mouth, according to the NHS, at 8 and 12 weeks old. If the baby spits it out immediately another dose is given.

  • Should I give my baby paracetamol after the MenB vaccine?

    Yes, according to the NHS, after the 8-week and 12-week MenB vaccinations, in 3 doses as directed, to help prevent or treat a high temperature. Follow the packaging instructions.

  • What if my baby has a high temperature after vaccination?

    Ask for an urgent GP appointment or call NHS 111 if a baby under 3 months has a temperature of 38°C or higher, or a baby aged 3 to 6 months has 39°C or higher, or if you are worried, according to the NHS.

  • Can my baby still have vaccines if they are unwell?

    If they have a high temperature, wait until they are better, says the NHS. If unwell without a high temperature, check with a doctor, nurse or health visitor.

  • What if we missed an appointment?

    Contact your GP surgery. The NHS says the 6-in-1 can still be given up to age 10, MenB up to age 2, and rotavirus doses up to 15 and 24 weeks of age.

  • Is the rotavirus vaccine safe?

    It is recommended on the NHS schedule. The NHS lists a very small risk of intussusception in the week after vaccination and tells parents which symptoms to seek urgent advice for.

  • Can babies have several vaccines at once?

    Yes. The NHS says the schedule gives several vaccines at the same visit, and the rotavirus vaccine can be given at the same time as others.

  • Who contacts me about vaccine appointments?

    Your GP surgery, usually by letter, text, phone call or email, according to the NHS. Speak to the surgery if you have not been contacted.

Where this comes from

Sources and checking.

This guide is for information, not medical advice.

Your GP or consultant knows your history and can tell you which parts apply to you. If your symptoms are severe, rapidly worsening, or come with red-flag features, seek urgent medical care. Figures and availability change, so treat them as a guide and confirm with the provider.

Published 2026-10-10, next review 2027-10-10.