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How often should a child have a swine flu vaccination?

Answer:

Only one vaccination (for each type of flu) is needed as long as the virus does not mutate. They will have lifetime immunity* to the exact same virus in the vaccine after one immunization. If the virus mutates into a new form, then they will need a new vaccination for the new virus.

However, if your question is more about how many shots they need to create the initial immunity, then children under 10 need a series of two vaccinations. The second one is given approximately one month after the first and then in 3 - 4 weeks after the second one, they will have produced immunity for life to that exact virus strain and sometimes to very similar ones.

*Some vaccines eventually lose their ability to protect over time and that is a good reason to get a flu shot each year to be sure your protection is still working.

First answer by D4est. Last edit by D4est. Contributor trust: 1251 [recommend contributor ]. Question popularity: 86 [recommend question].

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