Persistence of influenza after pandemics?

Why does influenza persist after pandemics, which immunize a large fraction of the host population?

Enter the title of your article


Enter a short (max 500 characters) summation of your article
Enter the main body of your article
Lock
+Comments (0)
+Citations (0)
+About
Enter comment

Select article text to quote
welcome text

First name   Last name 

Email

Skip