
http://www.doh.state.fl.us/chdwalton/PublicHealth/PR_MosquitoBorneIllness_090612.pdf

Edited
Are dogs at risk of West Nile Virus if they're on Heartguard and Frontline?
According to this CDC Q&A it is possible but not something to worry about.Thanks for the great research!
http://www.cdc.gov/ncidod/dvbid/westnile/qa/wnv_dogs_cats.htm

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