Coronavirus Vaccine

AstraZeneca said its COVID vaccine study found a slightly increased clot risk after the first dose and no increased risk after receiving the second.

President Joe Biden called the COVID-19 pandemic “largely preventable,” saying Americans need to get vaccinated as the delta variant fuels case surges across the country.

New York City will require proof of vaccination for people who want to dine indoors and take part in other activities like gyms and theaters and for those who work there.

Recent data from the CDC shows that less than 1% of breakthrough COVID-19 cases have led to hospitalization — and the percentage is even smaller for breakthrough COVID-19 cases that led to to death.

The CDC says 70% of American adults have now received at least one vaccine dose of a COVID-19 vaccine, as the country faces a new surge fueled by the delta variant.

The Oklahoma Republican Party faced fierce criticism for a Facebook post likening COVID-19 vaccine mandates to the persecution of Jewish people in Nazi Germany.

As COVID-19 vaccination rates have stalled in the U.S. and talk of mandates spreads, here’s a look back at the history of vaccine mandates in the country and how the Supreme Court has routinely defended states’ rights to enforce them.

U.S. health officials say people who are fully vaccinated should get tested if they've been around someone who has COVID-19.

In June fully vaccinated people accounted for 20% of all the new cases diagnosed in LA County, while unvaccinated and partially vaccinated people accounted for 80% of the cases.

President Joe Biden announced Thursday that federal workers must show proof of receiving a COVID vaccine or submit to regular testing.

Amid a surge in COVID-19 cases among mostly unvaccinated Americans due to the fast-spreading delta variant, President Joe Biden called on local governments to offer $100 to newly vaccinated people as an incentive.