Scientists are urging their colleagues to dig deeper into the origins of the coronavirus behind the pandemic, including the possibility of a lab escape.
The Newsom administration estimates the state will spend more than $15 billion on its COVID-19 response between 2020 and 2022.
Fuzziness and other long-term symptoms can linger long after infection. Filing for disability and obtaining benefits is similarly murky.
The World Health Organization's emergencies chief says it's 'premature' and 'unrealistic' to think that the pandemic might be over by year's end.
Mixing and matching doses of different COVID-19 vaccines was an idea that scientists dismissed out of hand. Now they’re taking it seriously.
People with cancer, obesity and certain other conditions will be eligible for vaccinations starting March 15.
Evidence is mounting that having COVID-19 may not protect against getting infected again with some of the new coronavirus variants emerging around the world.
A study finds that the AstraZeneca-Oxford University vaccine cut coronavirus transmission by two-thirds and prevented COVID-19.
The COVID-19 vaccine made by Moderna caused very few cases of severe allergic reactions during the first three weeks of its nationwide rollout, the CDC says.
'Light at the end of tunnel' or a small blip? Flattening COVID-19 numbers bring guarded optimism in California.