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West Nile virus surges across the United States this summer Infect According to the new report, the operating rate is about 40% higher than normal.
The virus is usually bitten Infected mosquitoesalthough the disease cycle also includes infected birds. When mosquitoes feed on infected birds, they can pick up the virus and spread it to humans.
As of early September, there were about 770 human cases in the United States, with nearly 500 being classified as severe, and according to the latest data from the Centers for Disease Control and Prevention, which tracks cases reported by the state health department.
Kansas tracks five severe West Nile cases as mosquito season peaks statewide
According to CDC data, this is more than the average number of cases reported in previous years (about 550 totaling about 550, with 350 matching severity).
Most West Nile cases were reported in August and September.
The West Nile virus is usually transmitted through infected mosquitoes. (iStock)
The official report stressed that these data are still preliminary. Many mild infections are not reported and often lags before all severe cases are confirmed.
Mosquitoes transmitted through China can cause high fever and joint pain
Although peak season is expected, experts say break out The percentage of mosquito tests that are positive for the virus is unusual.
For most people, the West Nile can produce mild symptoms such as fever, soreness and rash, or not at all.
Experts say the intensity of the outbreak and the percentage of mosquitoes that tested positive for the virus are unusual. (iStock)
In rare and serious cases, virus invasion Nervous systemcauses meningitis, encephalitis (brain swelling), paralysis or death.
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These latter symptoms attract attention are spikes. Experts are cautious that people over 50 years of age or those with damaged immune systems are at the highest risk.
Experts recommend wearing loose long-sleeved clothing, applying insect repellent and ensuring window screens are safe to prevent mosquito bites. (iStock)
Data shows that the West Nile virus was first discovered in Africa in 1937, and the first European outbreak occurred in 1996. It arrived in the United States in 1999, when an outbreak in New York sent 62 people to hospitals within two months.
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Avoiding mosquito bites is the first line of defense. Health officials recommend wearing loose long-sleeved clothing; applying insect repellent (especially at dawn and dusk when mosquitoes are most active); and ensuring window screens are safe.
Around the house, eliminating the accumulation of water (as found in buckets, tires, and grooves) can help prevent mosquitoes from reproduction.
