Older adults and others at high risk are now able to get a second shot of the COVID-19 booster that targets omicron.

Boys born to mothers who got COVID-19 while pregnant seem to have a higher risk of subtle developmental delays, including those associated with autism spectrum disorder.

The U.S. national emergency to respond to the COVID-19 pandemic ended Monday as President Joe Biden signed a bipartisan congressional resolution to bring it to a close after three years.

COVID-19 vaccine records will be available online through the state until June 1. After that, people who need proof of COVID-19 vaccination will need to get it from their health care provider.

Hospitals have long used temporary workers, who are often employed by third-party agencies, to help fill their staffing needs. But by December 2021, the average weekly travel nurse pay in the country had soared to $3,782, up from $1,896 in January 2020, according to a Becker’s Hospital Review analysis of data from the hiring platform Vivian Health.

The wild animals are more similar to foxes than to domesticated dogs. Data that suggested a link between raccoon dogs and the origins of the COVID pandemic was removed from an international database.

Three years ago, the novel coronavirus swept the world. Here are 24 quotes and 13 photos that sum up the reaction in the weeks before the World Health Organization's declaration of a global pandemic.

Once U.S. stockpiles of COVID-19 vaccine run out, Moderna says it might charge as much as $130 per dose, but give people who lack health insurance a break. Critics say that's not enough help.

By some estimates, chronic absenteeism doubled during the pandemic. Now, about halfway through the most "normal" school year since 2020, the situation hasn't improved in many places.

Two U.S. intelligence agencies reportedly support the lab leak theory — with low-to-moderate confidence. No evidence has been shared. Scientists have strong evidence of animal spillover at a market.