The WHO remains committed to vaccination being the sharpest weapon against what it terms “preventable diseases”, especially for children.
As our web page, the history of vaccines, shows, the number of vaccines has increased incrementally over time.
Children in the 21st century receive many more vaccines than children in the previous century.

The NHS website has the latest schedule. Here is their guide to pre-school vaccinations.
(If you are outside of the UK, your vaccination schedule may be different. Details will be available from your national health service/government.)
The UK vaccination schedule changed in 2025, and further changes are happening in 2026.
These include an extra (4th) dose of the 6-in-1 hexavalent vaccine (Diphtheria, Tetanus, Pertussis/whooping cough, Polio, Haemophilus influenzae type b, and Hepatitis B) at 18 months.
The Varicella (Chicken Pox) vaccine has been added to the schedule in 2026. It is part of the MMRV (Measles, Mumps, Rubella, and Chickenpox/Varicella) vaccine, which has replaced the MMR vaccine in the NHS vaccination schedule.
The second dose of MMR (now MMRV) has been moved forward and will be given at 18 months, rather than 3 years, 4 months.
The second dose of the meningococcal B (MenB) vaccination, previously offered at 16 weeks of age, was moved to 12 weeks from 1 July 2025. (The first dose is offered at 8 weeks.)
[Sources: UK Health Security Agency, The Control Group, Immunisations UK and UK Government.]

The vaccine schedule includes a range from diphtheria, tetanus and pertussis for newborns through to an annual flu vaccine.
Well over 50 doses are recommended for children. Remember that a single injection can contain a number of different vaccines.
Why so many? And why are children and babies, in particular, selected to have so many vaccines?
How is immunity to disease in childhood viewed by the WHO (and other world health authorities), making them so determined to tackle it with pharmaceutical interventions?
The NHS rationale is summarised here:
Source: NHS Inform

There are studies that contradict the NHS rationale outlined above – a few are referenced here:
‘It was long believed that a newborn’s immune system was an immature version of an adult’s; now, researchers show that newborns instead use their T cells differently than adults.’
Source: Cornell University
Children’s immune systems may also be stronger than those of adults:
‘Several studies have shown that children have stronger nasal activation of their innate immune response — a broad, general anti-infection defense system — than do adults.’
Source: YaleNews
After your baby is born, if you breastfeed, you pass some types of antibodies to your baby through the milk. This antibody transfer allows your baby to gain protection against harmful germs before their immune system is ready to create all those antibodies on its own.
'The infant immune system is stronger than most people think and beats adults at fighting off new pathogens.’
Source: Columbia University Irving Medical Center
‘Researchers have, for the first time, discovered that a specific type of immune cells - called regulatory T cells - expand in the first three weeks of life in breastfed human babies.'
Source: Birmingham Women’s and Children’s NHS Foundation Trust
Page last reviewed: June 2026
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