County health officials on Wednesday will perform an aerial drop of larvicide on local waterways to fight West Nile Virus.
San Diego County’s environmental health department’s aerial drops kill mosquito larvae before they can grow into adult mosquitoes and pass along the virus.
It’s the seventh aerial drop that county officials have done to fight West Nile Virus this season; they’ve been performing the practice over the past several years.
The aerial drops are done on local bodies of water, such as lagoons and large ponds, from East County to the South Bay, and are mainly areas that are hard to reach by foot.
Once mosquito season is under way, county officials perform the aerial drops once a month.
The goal is to fight the spread of the virus. Already this year, five San Diego residents have been diagnosed with West Nile Virus.
The larvicide is not harmful to people or animals.
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To prevent West Nile Virus, county health officials recommend not leaving standing water around your house that attract mosquitoes and to stay indoors between dawn and dusk.
