Napa County health officials today confirmed the county's first case of the Zika virus after a pregnant woman who traveled to Central America tested positive but is not showing symptoms.
Napa County health officials today confirmed the county’s first case of the Zika virus.
A pregnant woman who traveled to Central America tested positive but is not showing symptoms.
The California Department of Public Health informed the Napa County Public Health Division on Tuesday of the positive test, county officials said.
Health officials are especially concerned about the effects on pregnant women because the virus may cause birth defects. The name of the woman, identified only as a Napa County resident, is not being released.
Health officials said the case is not a threat to the health of county residents. The virus is not actively being transmitted.
Also, the two kinds of mosquitoes that carry the virus have not been found in Napa County, county health officer Dr. Karen Relucio said in a statement.
But the mosquito could potentially come and breed here, according to Wes Maffei, manager of the Napa County Mosquito Abatement District.
The mosquito has been found in Southern California. Maffei said the district has been setting out traps for the last year to check for the presence of the two mosquitoes.
“We’re still doing that type of work,” he said.
The mosquitoes breed in standing water, including places such as old tires and gutters.
Public health officials expect to find more cases of the virus as testing continues. Health officials are testing pregnant women who have been to countries where the Zika virus is being transmitted or who have had sex with people who have been to those countries.
Pregnant women or women who may become pregnant are being told to avoid traveling to places where the virus has been found. Pregnant women who have had sexual partners who have traveled to places with the virus are being told to avoid sex with that partner or have their partner use condoms until giving birth, health officials said.
Pregnant women or their partners who must travel to places with the virus should take precautions to avoid mosquito bites, according to health officials.
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