West Nile Virus Fast Facts

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A culex tarsalis pistillate  mosquito that was caught successful  a trap volition  beryllium  tested for the beingness  of the West Nile microorganism  astatine  the Arizona Department of Health Services laboratory   connected  August 5, 2004, successful  Phoenix, Arizona.

CNN  — 

West Nile virus (WNV) is chiefly transmitted to humans by infected mosquitoes.

More than 2,600 radical person died of West Nile microorganism successful the United States since it was archetypal detected successful New York City successful 1999.

West Nile microorganism is usually dispersed done the wound of infected mosquitoes.

It is not dispersed person-to-person done casual contact.

In uncommon cases, WNV tin beryllium dispersed done humor transfusions, organ transplants, vulnerability successful a laboratory mounting oregon from parent to infant.

Symptoms of West Nile corruption include: fatigue, fever, headache, assemblage aches, rash and swollen lymph nodes.

80% of infected radical bash not show immoderate symptoms.

According to the CDC, little than 1% of infected radical make a superior neuroinvasive illness, specified arsenic encephalitis (inflammation of the brain) oregon meningitis (inflammation of the protective membranes covering the encephalon and spinal cord).

There is nary vaccine oregon circumstantial attraction for WNV.

The astir effectual method of prevention is to debar mosquito bites, by utilizing insect repellent and by wearing protective covering erstwhile outdoors.

1937 - The archetypal lawsuit of West Nile microorganism is reported successful Uganda. It is communal passim Africa, Central Asia and the Middle East.

August 1999 - The archetypal cases of West Nile encephalitis successful the Western Hemisphere are reported successful the Bronx and Queens boroughs of New York. It is not known however the microorganism arrived successful the United States.

(source: Centers for Disease Control and Prevention)

2021 (preliminary, arsenic of 1/11/22) 2,695 cases reported with 191 deaths.

2020 - 731 cases reported with 66 deaths.

2019 - 971 cases reported with 60 deaths.

2018 - 2,647 cases reported with 167 deaths.

2017 - 2,097 cases reported with 146 deaths.

2016 - 2,149 cases reported with 106 deaths.

2015 - 2,175 cases reported with 146 deaths.

2014 - 2,205 cases reported with 97 deaths.

2013 - 2,469 cases reported with 119 deaths.

2012 - 5,674 cases reported with 286 deaths.

2011 - 712 cases reported with 43 deaths.

2010 - 1,021 cases reported with 57 deaths.

2009 - 720 cases reported with 32 deaths.

2008 - 1,356 cases reported with 44 deaths.

2007 - 3,630 cases reported with 124 deaths.

2006 - 4,269 cases reported with 177 deaths.

2005 - 3,000 cases reported with 119 deaths.

2004 - 2,539 cases reported with 100 deaths.

2003 - 9,862 cases reported with 264 deaths.

2002 - 4,156 cases reported with 284 deaths.

2001 - 66 cases reported with 10 deaths.

2000 - 21 cases reported with 2 deaths.

1999 - 62 cases reported with 7 deaths.

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