How many cases of West Nile disease in humans have occurred in the U.S.?!


Question:

How many cases of West Nile disease in humans have occurred in the U.S.?


Answers:

In 2004, there were 2539 human cases of WNV disease reported, including 100 deaths. For a report of cases by clinical syndrome and by state, please see the 2004 human disease cases.

In 2003, there were 9862 human cases of WNV disease, including 264 deaths. Cases were reported throughout much of the US; for a report of cases by each state please refer to the 2002 human case count. In 2001, there were 66 human cases of severe disease and 9 deaths. In 2000, 21 cases were reported, including 2 deaths in the New York City area. In 1999, 62 cases of severe disease, including 7 deaths, occurred in the New York area.

No reliable estimates are available for the number of cases of West Nile encephalitis that occur worldwide.




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