COVID-19 vaccine

At least 11 more states to open virus vaccines to all adults

By Associated Press

The expansion that begins Monday has some health officials worried about whether it will create expectations they can’t possibly meet until vaccines supplies catch up to demand.

WATCH: Biden unveils plans for U.S. vaccination expansion

By Associated Press

The president addressed the nation from the White House Monday, declaring, “if we let our guard down now, we can see the virus getting worse, not better. People are letting up on precautions, which is a very bad thing.”…

WATCH: CDC director has feeling of ‘impending doom’ amid new spike

By Zeke Miller, Associated Press

Speaking during a virtual White House briefing, Dr. Rochelle Walensky grew emotional as she reflected on her experience treating COVID-19 patients who are alone at the end of their lives.

Study asks if vaccinated people can still transmit virus, Fauci says

By Associated Press

Dr. Anthony Fauci said at the White House coronavirus briefing Friday that a large trial is under way involving 12,000 college students at more than 20 universities.

Why you should get a COVID-19 vaccine – even if you’ve already had the coronavirus

By Jennifer T. Grier, The Conversation

If you've already had the coronavirus and recovered, you might be tempted to give the vaccine a pass. A scientist explains why the shot offers the best protection against future infection.

AstraZeneca confirms strong vaccine protection after U.S. rift

By Lauran Neergaard, Associated Press

AstraZeneca insists that its COVID-19 vaccine is strongly effective even after counting additional illnesses in its U.S. study, the latest in an extraordinary public dispute with American officials.

These ‘vaccine hunters’ are chasing down appointments for people who need them most

By Laura Santhanam

For many people, especially those who are older, technological obstacles and access shut them out of the process and prolong their wait and risk of exposure to the virus.

Hong Kong halts use of Pfizer COVID-19 vaccine, cites defective lids

By Associated Press

Hong Kong suspended use of the Pfizer vaccine Wednesday after its Chinese distributor informed the city that one batch had defective bottle lids.

Texas joins states making vaccines available to all adults

By Paul J. Weber, Associated Press

The announcement by state health officials Tuesday adds Texas to the rapidly growing list of states that are making the vaccine available to all adults.

AstraZeneca may have used outdated information in U.S. vaccine trial

By Associated Press

Results from a U.S. trial of AstraZeneca's COVID-19 vaccine may have included "outdated information" and that could mean the company provided an incomplete view of efficacy data, American federal health officials said early Tuesday.