Official: Merck to help produce rival J&J's COVID-19 vaccine

Drugmaker Merck & Co. will help produce rival Johnson & Johnson’s newly approved coronavirus vaccine in an effort to expand supply more quickly, a Biden administration official confirmed Tuesday.

US states are easing COVID-19 restrictions too early, medical experts say

With the U.S. vaccination drive picking up speed and a third formula on the way, states eager to reopen for business are easing coronavirus restrictions despite warnings from health experts that the outbreak is far from over and that moving too quickly could prolong the misery.

US begins distribution of single-dose Johnson & Johnson COVID-19 vaccine

Nearly 4 million doses of the Johnson & Johnson vaccine were shipped Sunday night and could be used for injections as early as Tuesday, officials said.

COVID-19 vaccine doses stolen, 2 children wrongly vaccinated, Tennessee officials say

Tennessee health officials say coronavirus vaccine doses were allegedly stolen and two children were improperly vaccinated in Shelby County. The state is also investigating how 2,400 vaccine doses were wasted.

Johnson & Johnson's single-shot COVID-19 vaccine endorsed by FDA expert panel

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.

Chester County officials ready to ramp up vaccine efforts

Chester County officials say they're ready, willing, and able to get more shots into arms. They just need the supply to do it.

Moderna begins clinical trials for booster doses of COVID-19 vaccine to combat South Africa variant

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.

US military begins delivering COVID-19 vaccine doses to Texas, New York

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.

Pfizer's COVID-19 shot is 92% effective at reducing severe illness, 'real world' mass vaccination study finds

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.

More Pennsylvania vaccine providers forced to reschedule appointments due to supply

Governor Tom Wolf unveiled a hopeful recovery plan for the Keystone State Monday, but the long wait for the hard-to-find COVID vaccine keeps creeping back in.