Two more Baldwin Park residents have locally acquired dengue — an illness that mosquitoes transmit — in addition to one case announced last week, prompting health officials Wednesday to report […]

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.

A cluster of three cases in Baldwin Park “is an unprecedented number of locally transmitted cases for a region where dengue has not previously been transmitted by mosquitoes.”