Apedia

A-Level Biology OCR A

Influenza Redeveloped People Suggest Vaccine Revaccinated Year Virus

The summary explains the influenza vaccine needs redevelopment annually because the virus mutates regularly, changing its antigens and making previous vaccines unable to elicit a secondary response.

O resumo explica que a vacina contra a influenza precisa ser readaptada anualmente porque o vírus sofre mutações regulares, alterando seus antígenos e tornando as vacinas anteriores ineficazes para gerar uma resposta secundária.

Front Suggest why the influenza vaccine needs to be redeveloped and people need to be revaccinated each year.
Back Influenza vaccine:
  • The virus causing flu mutates regularly so its antigens on surface change too
  • This means that vaccines must be redeveloped as people will no longer be able to form secondary response against the mutated variant

Learn with these flashcards. Click next, previous, or up to navigate to more flashcards for this subject.

Next card: Describe examples common medical drugs derived living organisms

Previous card: Vaccination programmes provide herd give examples aim immunity

Up to card list: A-Level Biology OCR A