Some viruses, like the virus that causes mumps, have only a single serotype, meaning that variants of the disease are immunologically identical. However, other viruses, like the influenza virus family, has many different serotypes. Why is this?

Your Answer

 
discard

By clicking "Post Your Answer", you acknowledge that you have read our updated terms of service, privacy policy and cookie policy, and that your continued use of the website is subject to these policies.

Browse other questions tagged or ask your own question.