At least three cases of dengue fever have been reported in residents bitten by local mosquitoes in the Baldwin Park neighborhood east of downtown Los Angeles.

Los Angeles health officials announced they are investigating a handful of locally acquired dengue fever cases in the city of Baldwin Park. The two cases were announced by the Los Angeles County Department of Public Health on Wednesday,

Health officials reported a single case of locally acquired dengue in Long Beach last year. Now, three such cases in Baldwin Park mark an unprecedented escalation.