Arizona health officials say there are four confirmed linked measles cases, making it another state with an outbreak.

Measles vaccination rates have declined nationwide over the past five years, according to research from Johns Hopkins University.

Sacramento County currently ranks within the top 20 of chlamydia and syphilis cases in California. Here’s how the county is responding.

Most measles cases in the U.S. come from people not vaccinated who traveled internationally then returned home to the states, the CDC says.

Vector control officials announced Wednesday their first positive mosquito sample test for West Nile virus in the Sacramento area this season.

Twenty five countries have reported outbreaks, including newly affected Sierra Leone where infections are surging.

The West Sacramento patient may have contracted the infection locally, especially given recent wastewater detections.

Two suspects connected to a shooting in Crescent City were arrested in Citrus Heights on Sunday afternoon, according to the Citrus Heights and Crescent City Police Departments. Video ...

WEST SACRAMENTO, Calif. — A West Sacramento resident has been diagnosed with measles, becoming the 13th confirmed case of the virus in California this year, according to Yolo County health officials.

An innocent man died after a police chase ended in a multi-vehicle crash in Sacramento on Saturday, police said.

A West Sacramento resident was diagnosed with measles and may have exposed the virus to others while getting medical care at ...