West Nile Virus Fast Facts

PHOENIX - AUGUST 5: A culex tarsalis female mosquito that was caught in a trap will be tested for the presence of the West Nile virus at the Arizona Department of Health Services laboratory on August 5, 2004 in Phoenix, Arizona. (Photo by Jeff Topping/Getty Images)

(CNN)West Nile virus is an illness spread by infected mosquitoes. More than 1,800 people have died of West Nile virus in the United States since it was first detected in New York City in 1999.

West Nile virus symptoms explained
West Nile virus symptoms explained

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    West Nile virus symptoms explained

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West Nile virus symptoms explained 03:34
Facts:
Symptoms
of West Nile infection include: fatigue, fever, headache, body aches, rash and swollen lymph nodes.
    Those who become ill may develop West Nile encephalitis, an inflammation of the brain.
    There is no vaccine or specific treatment for West Nile virus.
    According to the CDC, only 1% of people bitten by West Nile-infected mosquitoes become seriously ill.
    1937 - The first case of West Nile virus is reported in Uganda. It is common throughout Africa, Central Asia and the Middle East.
    August 1999 - The first cases of West Nile encephalitis in the Western Hemisphere are reported in the Bronx and Queens boroughs of New York City. It is not known how the virus arrived in the United States.
    Statistics: (source: Centers for Disease Control and Prevention)
    2015 - 2,060 cases of West Nile virus have been reported in 44 states and the District of Columbia, with 119 deaths.
    2014 - 2,205 cases of West Nile virus have been reported in 43 states and the District of Columbia, with 97 deaths.
    2013 - 2,469 cases of West Nile virus were reported in 47 states and the District of Columbia, with 119 deaths.
    2012 - 5,674 cases of West Nile Virus were reported in 48 states, Puerto Rico and the District of Columbia, with 286 deaths.
    2011 - 712 cases of West Nile virus were reported in 44 states and the District of Columbia, with 43 deaths.
    2010 - 1,021 cases of West Nile virus were reported in 40 states and the District of Columbia, with 57 deaths.
    2009 - 720 cases of West Nile virus were reported in 37 states and the District of Columbia, with 32 fatalities.
    2008 - 1,356 cases of West Nile virus were reported in 42 states, with 44 fatalities.
    2007 - 3,630 cases of West Nile virus were reported in 43 states, with 124 fatalities.
    2006 - 4,269 cases of West Nile virus were reported in 43 states and the District of Columbia, with 177 fatalities.
    2005 - 3,000 cases of West Nile virus were reported in 42 states, with 119 fatalities.
    2004 - 2,539 cases of West Nile Virus were reported in 40 states and the District of Columbia, with 100 fatalities.
    2003 - 9,862 cases of West Nile Virus were identified in the United States, with 264 fatalities.
    2002 - 4,156 cases of West Nile Virus were reported in 39 states and the District of Columbia, with 284 fatalities.
    2001 - 66 cases of West Nile Virus were reported in 10 states, with 10 deaths.
    2000 - 21 cases of West Nile Virus were reported in Connecticut, New Jersey and New York, with two fatalities.
    1999 - 62 cases of West Nile virus were reported in New York state, with seven deaths.