The County of San Diego is investigating the first ever case of locally acquired dengue. The Escondido resident who became sick with dengue did not travel to

The county began spraying for mosquitos at about 170 homes in Escondido. Aedes mosquitoes that spread dengue were first detected in San Diego County in 2014. Aside from the first locally acquired case, the county had detected 49 travel-related cases this year.

Los Angeles County reported five cases of locally contracted dengue this year, and Long Beach and Pasadena each had their first cases of locally acquired dengue in late 2023.

No additional locally acquired cases have been identified, although there have been at least 49 reported cases of travel-related dengue in the county this year, according to officials.

The County is investigating the first ever case of locally acquired dengue. The Escondido resident who became sick with dengue did not travel to an area where the mosquito transmitted illness is common.

San Diego County health officials Sunday reported their first case of locally acquired dengue virus, contracted by an Escondido resident.

Symptoms of dengue often mirror those of other viruses, and health officials urged healthcare providers to be vigilant.

In this week's Medical Roundup, Dr. Michael Daignault talks about the locally acquired dengue cases seen in LA County as well as new CPR guidelines.