China's COVID vaccines: Do the jabs do the job?
As case counts surge in China, rumors circulate about the effectiveness and safety of the made-in-China vaccines in use there. Here's what we know about CoronaVac and Sinopharm.
covid vaccines
It's not too late to get a COVID booster — especially for older adults
Public health officials want more Americans to get the latest COVID vaccine booster. Only 35% of people over 65 have gotten the shot, though 75% of COVID deaths are among people in this age group.
COVID spreading faster than ever in China. 800 million could be infected this winter
Scientists predict China will see the largest COVID surge of the pandemic this winter, with hundreds of millions of people infected. But some experts say that it could have been even worse.
Coronavirus (booster) FAQ: Can it cause a positive test? When should you get it?
There is a lot of information about coronavirus vaccines out there, and some of it seems vague or contradictory. We talked to experts to help answer some of the most common and confusing questions.
The new COVID booster could be the last you'll need for a year, federal officials say
The COVID-19 vaccine strategy may be shifting toward Americans getting yearly vaccinations, like many do with annual flu shots.
FDA authorizes first revamp of COVID vaccines to target omicron
The new shots from Moderna and Pfizer-BioNTech target both the original strain of the coronavirus and the omicron BA.4/BA.5 subvariants that most people are catching now.
Moderna sues Pfizer over COVID-19 vaccine patents
The vaccine maker alleges that its rivals Pfizer and BioNTech used some patented features of its mRNA technology to develop their COVID vaccines.
The CDC endorses Novavax, a more traditional COVID vaccine, for adults
Adults who haven't gotten any COVID-19 shots should consider the new option, the agency said Tuesday. The spike protein vaccine is more typical than the mRNA types being broadly used against COVID.
Advisers to the FDA back COVID vaccines for the youngest children
A committee of experts voted unanimously to recommend that the Food and Drug Administration authorize COVID-19 vaccines from Moderna and Pfizer-BioNTech for children as young as 6-months-old.
Two new omicron variants are spreading in N.Y. and elsewhere. Here's what we know
The variants — BA.2.12.1 and BA2.12.2 — have been detected in New York and other states as well as 5 other countries. One has a mutation that seems to give it an edge in evading the immune system.