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Originally posted by richierich931
One flu shot a year? The CDC openly admits that the communicable virus they've just injected you with only lasts about 3 months, so really you need 4 a year to stay current.
However, evidence from clinical trials suggests that protection against viruses that are
similar antigenically to those contained in the vaccine extends for at least 6–8 months. Three years after vaccination with the A/Hong Kong/68 vaccine, vaccine effectiveness was 67% for prevention of influenza caused by the A/Hong Kong/68 virus (145). In randomized trials conducted among healthy college students, immunization with TIV provided 92% and 100% efficacy against influenza H3N2 and H1N1 illnesses, respectively, during the first year, and a 68% reduction against H1N1 illness during the second year (when the predominant circulating virus was H1N1) without revaccination (146). In a similar study of young adults in 1986–1987, TIV reduced influenza A (H1N1) illness 75% in the first year, H3N2 illness 45% in the second year, and H1N1 illness 61% in the third year after immunization (146). Serum anti-influenza antibodies and nasal IgA elicited by vaccination remain detectable in children vaccinated with LAIV for more than 1 year (147). In one community-based nonrandomized open label trial, continued protection from MAARI during the 2000–01 influenza season was demonstrated in children who received only a single dose of LAIV during the 1999–2000 season (148).
Make sure you're getting the one with the H1N1 (PANDEMIC! PANDEMIC! PANDEMIC!) included
And you're more likely to get the flu after your injection anyway. I've personally NEVER had the flu, seems stupid to go and get it purposely injected to save me from it.
Originally posted by revmoofoo
reply to post by AuntB
I'm a great believer in not taking medication of any kind unless the need for it is apparent. So I totally understand where you're coming from. Personally, I wouldn't get the flu shot (especially as it also covers the swine flu now) if I didn't need to.