WESTPORT — Mosquitoes carrying the infectious West Nile Virus have been trapped in Westport within the last week, according to state testing data.

Two mosquitoes, trapped locally Aug. 28, tested positive for the virus, according to data collected by the state Agricultural Experiment Station.

One human case of WNV infection has been reported in Connecticut so far this year, state officials said in a release last week. Since 2000, 181 human cases of the virus, including four fatalities, have been reported in Connecticut residents.

West Nile Virus is the most common mosquito-borne viral disease in the United States, and occurs every summer in Connecticut, state officials said. This year so far, the virus has been detected in mosquitoes in nearly 30 communities across the state.

“There is growing concern that the number of infected mosquitoes will continue to increase, increasing the potential for human exposure,” Mark Cooper, director of the Aspetuck Health District, said in a Thursday statement.

“With weather conditions favorable for mosquitoes and with the number of infected mosquitoes rising at levels faster and higher than seen in previous years, precautions should be exercised to avoid being bitten by mosquito,” he added.

As warm weather is forecast to continue in the region over the coming weeks, before frost kills off mosquitoes, officials urge people to take precautions when outdoors.

Safeguards recommended for mosquito control: 

• Eliminate objects that can hold water and become a breeding place for mosquitoes.

• Clean house gutters that may retain water.

• Empty wading pools and bird baths every few days.

• Chlorinate swimming pools regularly.

• Make sure covers on grills, boats, pools and other equipment do not collect water.

• Ensure that door and window screens fit securely and have no entry points for mosquitos to gain access indoors.

• Be careful at dusk and dawn when mosquitoes are most active.

• Wear shoes, socks, long pants and long-sleeved shirts, as well as clothes of tightly woven material, when outdoors.

• Use mosquito netting when sleeping outdoors.

• Consider the use of CDC-recommended mosquito repellents, containing DEET, picaridin, oil of lemon eucalyptus, IR3535 or 2-undecanone, and apply according to directions, when outdoors.

• When using DEET, use the lowest concentration effective for the time spent outdoors (for example, 6 percent lasts approximately two hours and 20 percent for four hours) and wash treated skin when returning indoors. Do not apply under clothing, to wounds or irritated skin, the hands of children or to infants less than two months old.