Biology 5090 · O Level · Immunity

Immunity — practice question

In 2022, a number of countries made it compulsory for travellers to be fully vaccinated against the COVID-19 virus. New Zealand’s rule said: ‘You need to have had the last vaccination at least 14 days before you arrive.’ Why did New Zealand insist on a 14-day gap after vaccination before entry was permitted?

  • Ato make sure there were no bad side effects from the vaccination
  • Bto allow time for the production of antibodies
  • Cto allow time for the production of antigens
  • Dto make sure the person did not have COVID-19

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