Robert Roos | News Editor | CIDRAP NewsMar 18, 2014Testing people for influenza antibodies over 5 flu seasons found that about 18% of them appeared to have contracted flu, but only 23% of that group got sick.Share Tweet Email Print & PDF
Robert Roos | News Editor | CIDRAP News
Mar 18, 2014
Testing people for influenza antibodies over 5 flu seasons found that about 18% of them appeared to have contracted flu, but only 23% of that group got sick.
