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The third COVID-19 vaccine authorized for use in the U.S. requires one shot instead of two, and works a slightly different way from the others. Here's what we know about its safety and effectiveness.

Catholic bishops say the Pfizer and Moderna vaccines did not use abortion-derived fetal cell lines, but that the Johnson & Johnson vaccine is acceptable, if it's the only available option.

With new cases teetering at about 60,000 to 70,000 per day, new hyper-transmissible variants and state rollbacks of coronavirus restrictions, the CDC chief urges Americans to remain vigilant.

Officials said Wednesday that a coalition of health insurance providers will team up as part of a new "Vaccine Community Connectors" pilot program.

Scientists are spotting new coronavirus variants almost on a daily basis. So far public health experts are still most worried about three important ones.

New guidelines unveiled by Gov. Phil Scott on Tuesday open the door for teachers and other staff at public schools, as well as certain public safety�

Updated 11:44 a.m. 3/3/21In a highly anticipated announcement at today's COVID-19 press briefing, Gov. Phil Scott and members of his administration�

The FDA has granted emergency use authorization for a third COVID-19 vaccine: a single-dose injection from Johnson & Johnson. Distribution of the vaccine�

The House Select Subcommittee on the Coronavirus Crisis is investigating after NPR reported that the boutique health care provider allowed ineligible patients to skip the COVID-19 vaccine line.

Advisers to the Centers for Disease Control and Prevention voted to endorse the emergency use of a single dose of a vaccine made by Johnson & Johnson. A study showed it was 66% effective in the U.S.