An influenza pandemic is a global outbreak of a new influenza A virus. Pandemics happen when new (novel) influenza A viruses emerge which are able to infect people easily and spread from person to person in an efficient and sustained way.


Season Flu Resource Links

The last pandemic flu to affect Hamilton County was the H1N1 pandemic in 2009.

Monitoring for Influenza Viruses

Season Flu – Ohio Department of Health

Prevent the Flu

If You’re Sick

Flu Fighter Tools


Pandemic Resource Links

Pandemic Basics

Pandemic Flu Information

National Pandemic Strategy