Live music returns to Yoshi's

OAKLAND – Live music returned to the stage at Yoshi's in Oakland Friday night.

CDC releases new guidance for masks in schools
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The CDC is urging every school to welcome students back, even if they aren't vaccinated. KTVU's Maureen Naylor reports.

Aduhelm: FDA head calls for review of Alzheimer's drug

Dr. Janet Woodcock, the acting head of the FDA, is calling for a review of highly unusual contacts between her agency’s drug reviewers and the maker of a controversial new Alzheimer’s drug.

California will still require masks inside schools, despite new CDC guidance

The Centers for Disease Control and Prevention said Friday that vaccinated teachers and students don’t need to wear masks inside school buildings, but despite that California said its mask guidance for schools will remain in place.

Fully vaccinated Americans 'do not need' COVID-19 booster shot, federal health officials say

In a statement published hours after Pfizer signaled its intention to file for emergency use authorization for a COVID-19 booster shot, the FDA and CDC said fully vaccinated Americans "do not need" an extra dose at this time.

Cold weather virus in summer baffles doctors, worries parents

The recent emergence of a virus that typically sickens children in colder months has baffled U.S. pediatricians and put many infants in the hospital with troublesome coughs and breathing trouble.

Fans banned at Tokyo Olympics after officials declare state of emergency

Fans were banned from the postponed Tokyo Olympics set to open in just two weeks after a state of emergency was declared on Thursday.

Memorial service for first California peace officer to die of coronavirus

Santa Rosa Police Detective Marylou Armer was the first peace officer in California killed by the coronavirus and only the second death in Sonoma County.

Global COVID-19 death toll passes 4 million people

The global death toll from the novel coronavirus has surpassed a staggering 4 million people, according to data from Johns Hopkins University.

Global COVID-19 deaths hit 4 million amid rush to vaccinate

The global death toll from COVID-19 eclipsed 4 million Wednesday as the crisis increasingly becomes a race between the vaccine and the highly contagious delta variant.

Rapid COVID-19 tests available at Sonoma County testing sites

Rapid antigen testing is now available at Sonoma County COVID-19 testing sites in Santa Rosa, making it possible for residents to know early results in 15 minutes.

Mask requirement returns at California state Capitol following COVID-19 outbreak

At least nine people who work at the California state Capitol tested positive for the coronavirus last week, including four who are fully vaccinated, triggering a return of the mask mandate for lawmakers and staff.

Delta variant now most common COVID-19 strain, CDC prediction suggests

The delta variant has likely surpassed the alpha variant as the most common linage of COVID-19 in the United States, according to CDC data.

Cell phones and cancer: New UC Berkeley study suggests cell phones sharply increase tumor risk

Researchers took a comprehensive look at statistical findings from 46 different studies around the globe and found that the use of a cell phone for more than 1,000 hours, or about 17 minutes a day over a ten year period, increased the risk of tumors by 60 percent.

COVID vaccine for zoo animals in Wisconsin

Some animals at the zoos in Madison and Milwaukee will receive an experimental COVID-19 vaccine.