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West Nile Virus [1]

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Date: 2022-07-21  

Don’t let mosquitoes wreck your summer. Protect yourself and your family from mosquito bites.

Summertime means mosquitoes and West Nile virus (WNV) season. A bite from an infected mosquito can make you or a family member sick. In the United States, cases are reported from summer and continue into fall. WNV is the most common pathogen spread by mosquitoes in the continental United States.

Stay healthy this summer. Take steps to prevent mosquito bites.

The most effective way to avoid getting WNV is to prevent mosquito bites.

Prevention

Use insect repellent: When used as directed, Environmental Protection Agency (EPA)-registered insect repellents are proven safe and effective, even for pregnant and breastfeeding women. Use an (EPA)-registered insect repellent with one of the following active ingredients: DEET Picaridin IR3535 Oil of lemon eucalyptus (OLE) Para-menthane-diol (PMD) 2-undecanone

When used as directed, Environmental Protection Agency (EPA)-registered insect repellents are proven safe and effective, even for pregnant and breastfeeding women. Use an (EPA)-registered insect repellent with one of the following active ingredients:

Cover up: Wear long-sleeved shirts and long pants.

Wear long-sleeved shirts and long pants. Keep mosquitoes outside: Use air conditioning or window and door screens.

Risk

When used as directed, insect repellents are the BEST way to protect yourself and family members from getting sick from mosquito bites.

The first case of WNV was discovered in New York City 20 years ago. Though the total number of cases differ from year to year and state to state, since WNV was introduced in 1999, all 48 continental United States have reported cases. More than 2,647 cases of people sick from WNV were reported to CDC in 2018.

Symptoms of WNV

No symptoms in most people. Most people (8 out of 10) infected with WNV do not develop any symptoms.

Mild illness with fever in some people. About 1 in 5 people who are infected develop a fever with other symptoms such as headache, body aches, joint pains, vomiting, diarrhea, or rash. Most people recover completely, but feeling tired and weakness can last for weeks or months.

Serious symptoms in a few people. About 1 in 150 people who are infected develop a severe illness affecting the central nervous system such as encephalitis (inflammation of the brain) or meningitis (inflammation of the membranes that surround the brain and spinal cord).

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[1] Url: https://www.cdc.gov/ncezid/dvbd/media/westnilevirus.html

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