Coronavirus

The study found that after a booster vaccination, levels of antibodies in the blood that could bind to and neutralize a new omicron variant increased substantially.

House Speaker Nancy Pelosi has tested positive for COVID-19, her deputy chief of staff Drew Hammill tweeted Thursday.

A naturopathic doctor in the North Bay pleaded guilty on Wednesday for selling fake COVID vaccination cards and homeoprophylaxis immunization pills, the Department of Justice said.

Just days after the CDC lifted its COVID travel warning for cruises two years into the pandemic, Carnival Cruise Line reported its best-ever booking week in the company's history.

President Joe Biden settled for much less in the package despite warnings that the government was running out of money to keep pace with the continued spread of COVID-19 in the U.S.

This is the first time that Medicare has covered an over-the-counter self-administered test at no cost to beneficiaries.

The 60-year-old was caught at a vaccination center in Germany when he showed up for a COVID-19 shot for the second day in a row.

COVID-19 hospitalization numbers have plunged to their lowest levels since the summer of 2020.

The Centers for Disease Control and Prevention said that they will leave it up to vacationers to decide whether they feel safe getting on a ship. The cruise-line industry is happy about the move.

The Food and Drug Administration authorized a second COVID-19 booster for many Americans. Here's a look at who is eligible and when to get it.

U.S. regulators are allowing people 50 and older to get another booster dose of the Pfizer or Moderna COVID-19 vaccine.

The CDC has rolled out a new tool to help people understand if and how long they should quarantine or isolate if they’ve been infected or exposed to COVID-19.

SpaceX and Tesla CEO Elon Musk said Monday that he has contracted COVID-19 for the second time but was feeling well.

Shanghai's Pudong financial district and nearby areas will be locked down from early Monday to Friday as citywide mass testing gets underway.

A cruise ship that went to the Panama Canal has docked in San Francisco with multiple COVID cases onboard.

The complaint alleges Ellume hasn’t refunded customers who bought their COVID-19 at-home test kits that were later recalled for higher-than-acceptable false-positive test results.