It cannot cause any of the infections it protects against. The vaccine is inactivated (killed), which means it does not contain any live bacteria or viruses. The 4-in-1 pre-school booster vaccine has been thoroughly tested to ensure it's safe and effective. Safety of the 4-in-1 pre-school booster vaccine The 4-in-1 pre-school booster not only protects your child against these infections, but also stops them passing the germs on to babies who are too young to be vaccinated against these infections. The vaccine protects children against these infections until they receive their 3-in-1 teenage booster at the age of 14. In clinical tests, more than 99 in every 100 children who had been given the 4-in-1 pre-school booster were protected against tetanus, diphtheria, whooping cough and polio. Studies have shown that the 4-in-1 pre-school booster vaccine is very effective. When children have the 4-in-1 pre-school booster and the MMR vaccine at the same time, each vaccine will be injected into a different arm or into a different place on their arm if the same arm needs to be used.įind out more about pre-school vaccinations for children aged 2 to 5 years on GOV.UK Effectiveness of the 4-in-1 pre-school booster vaccine It's safe for your child to have the 4-in-1 pre-school booster at the same time as other vaccines, such as the MMR vaccine. The 4-in-1 pre-school booster can be given with other vaccines The 4-in-1 pre-school vaccine is injected into your child's upper arm. How the 4-in-1 pre-school booster vaccine is given The vaccine further increases some of the protection your child already has from having the 6-in-1 vaccine at 8, 12 and 16 weeks old. The 4-in-1 pre-school booster vaccine is routinely offered to children at the age of 3 years and 4 months old. When children should have the 4-in-1 pre-school booster vaccine The 4-in-1 pre-school booster vaccine is offered to children from the age of 3 years and 4 months to boost their protection against 4 different serious conditions:
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