Coronavirus Vaccine

The study found a significant decrease in asymptomatic infections among healthcare workers who had gotten their first shot of the Pfizer vaccine at least 12 days ago.

Johnson & Johnson’s one-dose COVID-19 vaccine has been approved for emergency use by the U.S. Food and Drug Administration.

The president is expected to visit Portage on the west side of the state Friday afternoon where he'll tour the Pfizer plant where vaccines are being produced.

U.S. health advisers endorsed a one-dose COVID-19 vaccine from Johnson & Johnson on Friday, putting the nation on the cusp of adding an easier-to-use option to fight the pandemic.

The U.S. military is ramping up efforts to help get as many Americans vaccinated as possible by sending medical teams to vaccine hubs around the country. The military is already assisting in cities in California, New York, and Texas. On Thursday, deployments to Florida and Pennsylvania were also announced.

President Joe Biden marked the administration of the 50 millionth dose of COVID-19 vaccine since his swearing-in.

Group codes were shared over email and passed on, leading some people to sign up for shots who were not eligible because of their age or occupation.

COVID-19 vaccines appear to be working against today’s variants, but companies are making plans to update their shots if needed.

Pfizer said it will offer a third dose to 144 volunteers, drawing from people who participated in the vaccine’s early-stage U.S. testing last year.

Moderna says it has sent its new COVID-19 vaccine candidate designed specifically to combat the highly transmissible South Africa coronavirus variant to the National Institutes of Health for a Phase 1 clinical trial.

The U.S. military is beginning to deliver shots at coronavirus vaccination centers in Texas and New York and says service members will start staffing four centers in Florida and one in Philadelphia next week.

A large real-world test of Pfizer’s COVID-19 vaccine confirms that it’s very effective at preventing serious illness or death, even after one dose. The results come from a mass vaccination campaign in Israel.

An analysis by U.S. regulators says Johnson & Johnson's single-dose vaccine protects against COVID-19.

Some are gaming the system when it comes to securing a COVID-19 vaccine.