L.A. County reports locally acquired dengue virus

Los Angeles County health officials Monday confirmed a locally acquired case of the mosquito-borne illness dengue in a Baldwin Park resident.

According to the Department of Public Health, the patient had no history of recent travel to any areas where dengue is endemic. No other locally acquired cases of the virus have been found in Los Angeles County.

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In October and November of last year, single locally acquired cases of dengue were confirmed by health officials in Pasadena and Long Beach.

"While the potential risk for widespread dengue virus transmission in Los Angeles County remains low, these cases highlight the presence of infected mosquitoes locally and underscore the importance of preventive measures to control the spread of this virus," according to a statement from the county DPH.

The illness is generally spread by a bite from an infected Aedes mosquito. Most patients never exhibit any symptoms, but one in four will develop signs including fever, nausea, vomiting, rash and aches and pains to the eyes, joints or bones.

The symptoms generally last no more than a week, and people usually fully recover within two weeks. Deaths from the virus are extremely rare, health officials said.

"This case further indicates that dengue fever is present in our community. While the likelihood of widespread transmission is low at this time, we must remain vigilant and prevent further cases through public education and mosquito control efforts," Dr. Muntu Davis, Los Angeles County Health Officer, said in a statement. "Mosquitoes thrive in hot weather, increasing the risk of bites and mosquito-borne diseases. People should follow these simple steps to reduce their exposure to mosquitoes and risk for mosquito bites: 1) Use insect repellent on you and your family; 2) Remove standing water outside your home where mosquitoes can lay eggs and breed; and 3) Use, install, or repair window and door screens to prevent mosquitoes from entering your home."

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