Interior Health on alert for West Nile cases

Grant Boone
August 11, 2019

Though these are the first traces of West Nile Virus detected in Yolo County, the District has collected 16 mosquitoes and 12 dead birds infected with the virus in Sacramento County this summer, and said West Nile activity has been present in nearbyPlacer and San Joaquin Counties as well.

Authorities are urging residents to take the proper precautions to stay protected from mosquitos.

West Nile virus is a disease that is spread from infected corvid birds to humans through mosquito bites.

The Delta Vector Control District, which studies and controls the mosquito population in much of Tulare County, also confirmed St. Louis Encephalitis Virus in mosquitoes in Tulare County.

As part of the mosquito tracking program, the New Bedford Health Department will request that the BCMCP target key areas of the New Bedford for spraying, including public parks and locations that host large public events. Last year and this year, he said comparatively dry conditions have contributed to fewer pools testing positive. People over age 50 and those with diabetes or hypertension are more likely to develop the most serious symptoms.

Wear long trousers and long-sleeve shirts when working or playing outside, especially in the early morning and evening hours when mosquitoes are most active.

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Around California, 43 birds and 1,371 mosquito samples have tested positive for the virus. However, subsequent laboratory tests on mosquito samples showed increased ground spraying throughout the city was successful and eliminated the need.

"I think it's unusual in the sense that we had West Nile in the surrounding counties for a considerable time before we had a detection in Ada County", he said.

The Yellow Fever Mosquito, or Aedes aegypti, has been found in Tulare County and was first discovered in Madera and Clovis in 2013.

Still, "what the report tells us is, as in years past, West Nile virus is the most frequent cause of neuroinvasive disease".

Avoid outdoor activities at dusk and dawn.

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