This year (2022), a total of 138 mosquito samples collected in CA have tested positive for the West Nile virus, including three in Los Angeles County.
No human-to-human transmission has been reported so far, but as mosquitoes are expected to become more active in summer, special attention from residents is required.
Reporter Kim Shin-woo reports.
Two mosquito samples from the San Mariono area tested positive for West Nile virus, bringing a total of three cases reported this year (2022) in Los Angeles County alone.
This resulted in the detection of West Nile virus in a total of 138 mosquitoes across CA.
The Los Angeles County Vector Control District said West Nile-infected mosquitoes were identified in two samples from the San Marino area on the 1st and one sample obtained from Bellflower on the 2nd of last month (June).
Mosquito activity in the area will be monitored and controlled, but residents are asked to be extra vigilant.
According to the Los Angeles County Pest Control Department, West Nile virus is endemic to the county and warmer temperatures continue to increase virus activity and mosquito populations.
As of this year (2022), no human infection has been reported, but the virus was found in 14 dead birds.
Last year (2021), a total of 148 CA residents were infected with West Nile virus, of which 17 were reported in Los Angeles County.
A total of 148 people have been infected with West Nile virus, including 17 residents of Los Angeles County.
West Nile is a form of encephalitis that is known to be pathogenic in birds, but in humans it is usually transmitted by the bite of a mosquito-borne mosquito that carries the virus.
When infected with a person with a weakened immune system, symptoms such as fever, headache and vomiting can occur. In severe cases, the virus can disrupt the central nervous system of the brain, leading to coma and paralysis.
The mortality rate reaches 14%.
The problem is that there is no vaccine or cure to prevent West Nile virus, so the only way to prevent the virus is to be extra careful not to be bitten by mosquitoes.
The Los Angeles County Pest Control Department recommends removing stagnant water, checking the condition of swimming pools and jacuzzi facilities, and using mosquito repellent when outdoors.