226k views
3 votes
The recurrence of influenza epidemics and lack of long-lasting immunity are due to?

1 Answer

4 votes

Answer:

The annual recurrence of seasonal epidemics is attributed to the continued evolution of seasonal influenza viruses, which enables them to escape the immunity that is induced by prior infections or vaccination.

Step-by-step explanation:

User Axxxon
by
8.2k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.