Frequently Asked Questions

What Is Avian Influenza (Bird Flu)?

Bird flu is an infection caused by avian (bird) influenza (flu) viruses. These flu viruses occur naturally among birds. Wild birds worldwide carry the viruses in their intestines, but usually do not get sick from them. However, bird flu is very contagious among birds and can make some domesticated birds, including chickens, ducks, and turkeys, very sick and kill them.  For more information see:

http://www.pandemicflu.state.pa.us/pandemicflu/site/default.asp

What Is West Nile Virus?

West Nile Virus is a flavivirus commonly found in Africa, West Asia, and the Middle East. It is closely related to St. Louis encephalitis virus which is also found in the United States. The virus can infect humans, birds, mosquitoes, horses and some other mammals. For more information see:

http://www.cdc.gov/ncidod/dvbid/westnile

What Is The Difference Between A Watch And A Warning?

A watch means severe weather is possible during the next few hours.  A warning means that severe weather has been observed or is expected soon.