Pfizer: Vaccine effective against COVID-19 up to 6 months later

Pfizer and its German partner, BioNTech, announced updated results Thursday from their ongoing late-stage study of more than 44,000 volunteers.

All California residents 50 and older now eligible for COVID vaccine

All California residents 50 and older are eligible to get a COVID-19 vaccine. But supply is limited – and some counties are having trouble keeping up with demand.

Contra Costa County drive-through vaccination site aims for 15,000 vaccines a week

Contra Costa County has a new drive-through mass vaccination site located at Hurricane Harbor in Concord, with the goal to vaccinate 15,000 Contra Costa residents a week when fully operational.

Contra Costa County expanded eligibility rollout sees some quirks

If you’ve been trying to make an appointment with Contra Costa County to get the coronavirus vaccine, you may have run into some issues.

Uncertain future for Oakland Coliseum mass vaccination site as closure looms

In a letter to FEMA, Senators Diane Feinstein and Alex Padilla asked that the California Governor's Office of Emergency Services as well as Alameda and Los Angeles County assume control of the two inoculation sites.

New poll finds troubling pockets of vaccine hesitancy

A new poll by Bay Area Council conducted earlier this month finds hesitancy in some communities when it comes to getting the COVID vaccine. 

Placer County sheriff linked vaccine to death despite experts' cautions

A California sheriff announced in January that a man died hours after receiving a COVID-19 vaccine even though his county’s health officials said the declaration was premature and detrimental.

Pfizer: COVID-19 vaccine protects younger teens

Pfizer announced Wednesday that its COVID-19 vaccine is safe and strongly protective in kids as young as 12.

Germany to restrict AstraZeneca use in under-60s over clots

German health officials agreed Tuesday to restrict the use of AstraZeneca's coronavirus vaccine in people under 60, amid fresh concern over unusual blood clots reported in a tiny number of those who received the shots.

Anyone 16 and older now eligible for COVID vaccine in Contra Costa County

Contra Costa County Health Director Anna Roth said an increased vaccine supply from the state and federal governments means the county can open eligibility to people in the 16-49 age range. 

Dose supply tight in Sonoma County as state opens up vaccine eligibility

"Significant resources have been directed to expanding our capacity," wrote Board of Supervisors Chair Lynda Hopkins. "It is disappointing that this effort has been met with a decreasing supply of vaccines for our community."

‘This is deadly serious’: Biden calls for states to reinstate mask mandates amid uptick in COVID-19 cases

President Joe Biden implored state officials who lifted mask mandates to reinstate them as well as maintaining any preventative health measure to stave off a potential fourth COVID-19 surge, Monday.

Canada suspends use of AstraZeneca COVID-19 vaccine for people under 55

Canada on Monday suspended the use of the Oxford-AstraZeneca coronavirus vaccine for people under age 55 following concerns it might be linked to rare blood clots.

At least 11 more states to open virus vaccines to all adults

At least 11 states will open vaccine eligibility to all adults this week in a major expansion of COVID-19 shots for tens of millions of Americans amid a worrisome increase in virus cases and concerns about balancing supply and demand for the vaccines.

Biden says 90% of adults will be eligible for COVID vaccine in 3 weeks

"I'm pleased to announce that at least 90% of all adults in this country will be eligible to be vaccinated by April 19, just three weeks from now, because we have the vaccines," Biden said.

Californians aged 50-64 rush to get vaccine before April 15 expansion

Before California throws open its coronavirus vaccine program to all adults on April 15, there will be a two-week window when millions of people between the ages of 50 and 64 can get their shot.

Treasure Island residents receive COVID-19 vaccine from San Francisco first responders

San Francisco's Treasure Island is one of the least vaccinated neighborhoods in the city; less than 1% of its population has received a dose. A drop-in site helped give the population direct access to the vaccine.

Two Bay Area counties already offering vaccine doses to people 50 and older

Solano County took a different approach to administering doses to its populous. Officials said the “how and why” could benefit all residents eager to get the medicine, but unable to because of inadequate supply.