York Community High School



Dear Parents/Guardians:  Flu is a contagious respiratory illness caused by influenza viruses that infect the nose, throat, and sometimes the lungs. It can cause mild to severe illness, and at times can lead to death. The best way to prevent flu is by getting a flu vaccine each year.  Please review the following for further information on seasonal influenza.  


CDC Seasonal Influenza :  




Posted by: Athanasia Nassopoulos Published:11/19/18
Audience: Homepage and Homepage