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ProMed-mail – Program of the International Society for Infectious Diseases – distributed data published by the Centers for Disease Control and Prevention (CDC) on West Nile Virus in the US for 2012.

“In 2012, all 48 contiguous states, the District of Columbia, and Puerto Rico reported West Nile virus infections in people, birds, or mosquitoes. A total of 5674 cases of West Nile virus disease in people, including 286 deaths, were reported to CDC” stated the Federal Health Agency.

Total West Nile virus disease cases reported in 2012 resulted to be the highest since 2003 and the number of deaths is the highest since cases of WND were firstly detected in the US in 1999.

The CDC also indicated that during the summer 2012 “…outbreak likely resulted from many factors, including higher-than-normal temperatures that influenced mosquito and bird abundance, the replication of the virus in its host mosquitoes, and interactions of birds and mosquitoes in hard-hit areas.”

West Nile virus is in CALLISTO list of Paradigmatic diseases and ProMED communication deserves the attention of the CALLISTO community. In the communication there is reference to equine animals vaccination to reduce transmission to mosquitos and to public health campaigns to avoid mosquito bites for the prevention of transmission to humans.

To read more http://www.promedmail.org/direct.php?id=20130515.1715749