单词	revaccination
释义	revaccination noun re·​vac·​ci·​na·​tion (ˌ)rē-ˌvak-sə-ˈnā-shən  plural revaccinations : the act of administering a vaccine again some period after an initial vaccination especially to strengthen or renew the immune response The first vaccination is given after a cat is 16 weeks old. Thereafter, annual revaccination with a single dose is necessary for effective immunity. Cat Fancy Revaccination produces protective antibody titers in only 18 to 25 percent of individuals who failed to respond to the initial immunization with hepatitis B vaccine. Scientific American Medicine Bulletin revaccinate (ˌ)rē-ˈvak-sə-ˌnāt  transitive verb revaccinated; revaccinating Make sure all dogs are vaccinated, and revaccinated if the immunization is more than two years old. New England Farmer Therefore, if a cat's rabies vaccination expires anytime before April 1, 2017, the pet must be revaccinated prior to a 2016 cat license tag being issued. NorthJersey.com Word History First Known Use 1803, in the meaning defined above Medical Definition revaccination noun re·​vac·​ci·​na·​tion ˈrē-ˌvak-sə-ˈnā-shən  : vaccination administered some period after an initial vaccination especially to strengthen or renew immunity
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