West Nile Virus Surges In Israel: Causes, Symptoms

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7 July 2024

More than 200 people in Israel have contracted West Nile virus and 12 people have died in an ongoing outbreak

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Most patients are residents of central Israel, with some from the Sharon region, and are hospitalized at Meir Medical Center in Kfar Saba 

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West Nile virus is endemic in Israel, with periodic outbreaks reported across the country. Israel typically experiences around 50 cases annually

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The virus is primarily transmitted to humans through the bite of infected mosquitoes, particularly species of the Culex genus

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The transmission of West Nile virus in Israel typically peaks during the warmer months, from late spring to early autumn, when mosquito activity is highest

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The spike could also be linked to Israel's ongoing conflict with Gaza, some experts have noted

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Most people infected with WNV are asymptomatic. However, those who do develop symptoms experience fever, headache, body aches, vomiting, diarrhea, or rash

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In severe cases, neurological symptoms such as meningitis or encephalitis can occur

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People over 50 years of age and those with weakened immune systems are at higher risk of developing severe complications from WNV infection

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Prevention focuses on reducing mosquito bites through the use of insect repellent, wearing long-sleeved clothing, and using mosquito nets or screens

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