Weekly Update (July 20, 2016; Wk 12) - West Nile Virus and Culex tarsalis

West Nile Virus Risk –  The regions most advanced in degree-day accumulations for Culex tarsalis, the vector for West Nile Virus, are shown in the map below.  As of July 17, 2016, areas highlighted in yellow or orange on the map below have accumulated sufficient heat for C. tarsalis to fly so wear your DEET to stay protected!

The Public Health Agency of Canada posts information related to West Nile Virus in Canada.  The map of clinical cases of West Nile Virus in Canada in 2015 is posted while a screen shot is provided below.

The Canadian Wildlife Health Cooperative compiles and posts information related to their disease surveillance for West Nile Virus.  As of July 7, 2016, 20 birds were submitted for testing yet none have tested positive for West Nile virus.