Coronavirus

Researchers attempting to identify when exactly the novel coronavirus emerged determined that it likely began infecting people as early as October 2019.

A new study found that the Pfizer-BioNTech and Moderna COVID-19 vaccines provide "robust" immunity for pregnant and lactating women, who can also pass protective antibodies to newborns.

President Joe Biden fielded questions in his first news conference since taking office Thursday afternoon in the East Room at the White House.

Pfizer-BioNTech has joined Moderna in testing its COVID-19 vaccine in children younger than 12, including babies as young as 6 months.

Starting April 1st Californians aged 50 and plus will be eligible to receive a vaccine. And starting April 15, Californians aged 16 and plus will become eligible. 

The number of people seeking unemployment benefits fell sharply last week to 684,000, the fewest since the pandemic erupted a year ago and a sign the economy is improving.

Brazil topped 300,000 confirmed COVID-19 deaths on Wednesday, becoming the second country to do so amid a spike in infections that has seen the South American country report record death tolls in recent days.

An Ohio nursing home gathered residents and staff together to release balloons to mark one year since the COVID-19 pandemic changed their lives.

More than three months into the U.S. vaccination drive, many of the numbers paint an increasingly encouraging picture.

Los Angeles icons Earvin "Magic" Johnson, Arsenio Hall and Danny Trejo received their COVID-19 vaccine Wednesday during a live event at USC.

Dave Chappelle is heading to Connecticut for a set of shows and the comedian is requiring audience members to get rapid COVID-19 tests before entry.

Health officials in India said a new “double mutant” coronavirus variant was detected in the country, as worrisome variants first detected in the U.K., South Africa and Brazil now circulate within the nation’s borders and around the world.

The CDC said Wednesday its no-sail order will remain in place until Nov. 1 for cruise ships, despite a request from the Cruise Lines International Association to lift the order several months early.

Between June 15, 2020, and March 6, 2021, the Red Cross tested more than 3.3 million blood donations from unvaccinated people.

Pfizer announced Monday that it has begun the phase 1 study of an oral antiviral drug to treat SARS-CoV-2, the virus that causes COVID-19.