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  • Thumbnail for Smallpox vaccine
    vaccine scar. First generation vaccines consist of live, unattenuated vaccinia virus. One-third of first-time vaccinees develop side effects significant...
    116 KB (12,374 words) - 19:28, 25 October 2024
  • Thumbnail for Vaccination
    Vaccination (redirect from Vaccine failure)
    administration of a vaccine to help the immune system develop immunity from a disease. Vaccines contain a microorganism or virus in a weakened, live or killed state...
    97 KB (9,984 words) - 17:56, 1 November 2024
  • Thumbnail for Reverse genetics
    possibility that a mutation in the virus could result the vaccine to turning back into a live unattenuated virus. Forward genetics Chalfie M, Girard L (2007)...
    23 KB (2,635 words) - 05:15, 28 January 2024