The samples were collected from an agricultural area near Sheridan and west of Lincoln and from a residential area near Morgan Creek.

Orange and Los Angeles counties are catching West Nile virus activity early in the season and urging residents to avoid ...

The Sacramento-Yolo Mosquito and Vector Control District released sterile male mosquitoes in Rosemont as part of an ...

The Sacramento-Yolo Mosquito and Vector Control District is expanding a program to attack the disease-carrying pests with a ...

Thirty-eight mosquito samples have tested positive for West Nile virus this season in Orange County, more than double that of ...

Thirty-eight mosquito samples have tested positive for West Nile virus this season in Orange County, more than double that of ...

The Delta Mosquito & Vector Control District says West Nile season is off to a slow start, but peak mosquito activity — and ...

The local vector control district is using a new method that it hopes will ultimately reduce the population.

West Nile virus has now been detected in mosquito samples from 13 Orange County cities, with Fullerton accounting for the ...

A "fast-growing" dengue cluster with 135 cases so far has been detected in the Countryside Road/Lentor Avenue area, said the ...

Thousands of sterile mosquitoes are being released weekly in Rosemont to help control invasive mosquito populations and ...

The Sacramento Bee’s top stories on July 8 span homelessness policy, Kings basketball moves and a public health experiment.