Influenza Types

A pandemic influenza is a worldwide outbreak of disease that occurs when a new Influenza A virus, to which people have little or no immunity, appears in humans then spreads easily from person to person.

Avian or "bird flu" is caused by avian influenza viruses, which naturally occur among birds.

The seasonal flu is a contagious respiratory illness caused by Influenza viruses. In Kansas, the peak of flu season is generally January or February. Vaccinations are available for seasonal flu in the fall of each year.

What's New

NEW! The Leavenworth County Health Department is offering a drive-thru, flu shot clinic on Thursday, October 23 from 9 a.m. to 1.p.m. at 10th Avenue Park. For further information view our FAQs or call (913) 250-2000 for more information. Find out more & view our consent form online.

Do you have a plan for an emergency situation? Planning can help ensure that you and your family stay safe and have enough supplies in the event of a disaster. More >