Urgent West Nile Virus Alert in Minnesota Following Two Fatalities
Minnesota encounters a surge in West Nile virus cases amid hot, rainy summer conditions, with two fatalities confirmed. Health officials emphasize preventive measures to reduce risk.
The Minnesota Department of Health has issued an urgent alert regarding the rising risk of West Nile virus transmission in the state. This summer has seen heightened mosquito activity due to prolonged hot and rainy weather, increasing the likelihood of Culex tarsalis mosquitoes spreading the virus. Currently, Minnesota has confirmed 20 cases of West Nile virus, including two tragic deaths resulting from complications such as encephalitis and meningitis, which cause inflammation of the brain and surrounding tissues.
Health officials emphasize that while such case numbers are not unprecedented for Minnesota, this period warrants increased caution, especially during outdoor activities. Elizabeth Schiffman, supervisor of the state Health Department’s vectorborne diseases unit, advises residents to take preventive measures by avoiding mosquito bites. This includes using protective clothing, applying insect repellent, and eliminating standing water where mosquitoes breed.
The highest risks are concentrated in western and central agricultural regions, where breeding sites for the primary vector, the Culex tarsalis mosquito, are abundant. Among infected individuals, approximately 20% develop mild symptoms like headache and fever, while about 1 in 150 cases may progress to severe neurological issues. The elderly and immunocompromised individuals are at increased risk of severe illness.
Since West Nile virus was first detected in Minnesota in 2002, the state has experienced fluctuating case numbers, including a record 148 cases in 2003. Recently, last year’s statistics recorded 35 cases with one death, and in 2023, there were 63 cases and four fatalities.
Residents are urged to exercise caution during this high-risk season to prevent infection and protect public health.
Source: Medical Xpress
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