Truck-mounted mosquito control treatment will take place in the Marina Lagoon area of San Mateo and Foster City from 9 p.m. Sunday, Aug. 14, t…

Truck-mounted mosquito control treatment will take place in parts of Atherton and unincorporated Redwood City from 9 p.m. to 5 a.m. Thursday, …

Truck-mounted mosquito control treatment will take place in parts of Atherton and Redwood City from midnight to 5 a.m. Saturday, July 30, in r…

The California Department of Public Health is no longer monitoring travelers returning from countries in West Africa for symptoms of the Ebola…

Mosquito samples collected from Redwood City following San Mateo County Mosquito and Vector Control District’s adult mosquito control treatmen…

The San Mateo County Mosquito and Vector Control District will conduct an adult mosquito treatment in a portion of Menlo Park on Sunday, distr…

Following the detection of West Nile virus April 20 in a dead American crow collected from Menlo Park, San Mateo County Mosquito and Vector Co…

A dead bird collected from Menlo Park on April 20 has tested positive for West Nile virus — the first indication of the virus in San Mateo Cou…

Portions of Belmont, Foster City, Redwood City, Redwood Shores and San Mateo will be fogged Thursday night after mosquitoes infected with West…

Mosquitoes infected with West Nile virus have spread to South San Francisco and prompted San Mateo County mosquito officials to fog in the 940…