Coronavirus Vaccine

Dozens of Marines have been discharged over the past week for their refusal to comply with the military’s COVID-19 vaccine mandate.

Israel has approved a fourth vaccine dose for people most vulnerable to COVID-19, becoming the first country to do so as it braces for a wave of infections fueled by the omicron variant.

Johnson & Johnson’s COVID-19 booster shot was found to reduce the risk of omicron-related hospitalization by about 85%, according to a South African clinical trial.

Mexico’s health safety council has approved the use of Cuba’s three-dose Abdala coronavirus vaccine.

The first person in the U.S. to get a COVID-19 vaccine, New York nurse Sandra Lindsay, has since become a prominent face in the vaccination campaign.

A COVID-19 vaccine mandate for all private employers is now in effect in New York City. Also, New Yorkers aged 12 and older are now required to show proof of two vaccine doses to enter most indoor venues.

Dr. Anthony Fauci said it’s too soon to decide if Americans would need a fourth dose of the COVID-19 vaccine.

The Supreme Court says it will hold a special session in just over two weeks to hear arguments on the Biden administration’s vaccine or testing requirement for large employers and a separate vaccine requirement for health care workers.

Moderna said its COVID-19 booster shot appears to provide protection against the omicron variant but it will continue developing a tweaked jab.

Pfizer is testing an extra dose of its COVID-19 vaccine for babies and preschoolers after preliminary research hinted the usual two doses wouldn't be enough.

Pfizer said its special low-dose COVID-19 vaccine didn’t have as strong an immune response as expected in 2- to 4-year-olds, and it’s now testing three doses.

According to the study, existing antibody therapies like monoclonal antibody cocktails are largely ineffective against omicron, along with natural antibodies from previous infections.

U.S. health advisers are recommending that most Americans get the Pfizer or Moderna vaccines instead of the Johnson & Johnson shot.

The Army said 98% of its active-duty force has gotten at least one dose of the mandatory COVID-19 vaccine, as of this week's deadline.