NDA Sect 126 should help some people make the decision.
Refusing immunization, tests, blood examination or treatment
126 Every person who, on receiving an order to submit to inoculation, re-inoculation, vaccination, re-vaccination, other immunization procedures, immunity tests, blood examination or treatment against any infectious disease, wilfully and without reasonable excuse disobeys that order is guilty of an offence and on conviction is liable to imprisonment for less than two years or to less punishment.