Coronavirus Vaccine

One major concern is the highly contagious and potentially more severe delta variant of the coronavirus that originated in India. While health officials say the vaccines are effective against it, the fear is that it will lead to outbreaks in states with lower vaccination rates.

Two doses of Pfizer, Moderna vaccines effective against delta variant, officials say.

A Novavax large-stage study in the U.S. and Mexico found that its COVID-19 vaccine was about 90% effective overall and protected against variants.

Leaders of the Group of Seven wealthy nations on Sunday pledged more than 1 billion coronavirus vaccine doses to poorer nation.

The U.S. is confronted with an ever-growing surplus of COVID-19 vaccines, looming expiration dates and stubbornly lagging demand at a time when the developing world is clamoring for doses to stem a rise in infections.

The CDC said reports of heart inflammation after the second dose of Pfizer or Moderna’s COVID-19 vaccine in male teens and young adults are higher than expected.

Two people on a fully vaccinated Celebrity Millennium cruise are isolating aboard the ship after testing positive for COVID-19.

President Joe Biden is calling on global leaders to follow his lead in sharing coronavirus vaccines with struggling nations around the world.

The U.S. will buy 500 million more doses of the Pfizer COVID-19 vaccine to share globally.

United Airlines will begin next week requiring all new employees to be vaccinated against COVID-19.

The Department of Defense is withdrawing from several mass COVID-19 vaccination centers where it was providing operational support, leaving personnel at only five as vaccination rates slow in many areas.

The CDC updated its travel guidance this week to say vaccinated Americans can now travel with a lower COVID-19 risk to dozens of more countries.

First, it was free beer. Then, it was the chance for cash and loads of other prizes. Now, it's “Joints for Jabs.” 

Texas Governor Greg Abbott has signed a law that prohibits any business operating in Texas from requiring vaccine passports or any vaccine information.

Dangling everything from sports tickets to a free beer, President Biden is looking for that extra something — anything — that will get people to roll up their sleeves for COVID-19 shots.

United Airlines announced it will offer flight attendants extra vacation days or pay for proof of receiving the COVID-19 vaccine.