SAN ANTONIO – Editor’s note: This story is a look back at some of the biggest developments of the COVID-19 pandemic in 2020. See a full timeline here. Four years ago on March 11, life as we knew it ...

Almost. Now that Covid-19 infections have started to rise again, it feels like people all over the country are testing positive, and it's hard to know how to react. The government has been dialing ...

The novel coronavirus outbreak, which began in Wuhan, China, in December, has expanded to touch nearly every corner of the globe. At least 98,000 people around the world have been sickened and ...

The Covid-19 pandemic was triggered by a leak from a Chinese lab, the CIA now believes. It is the first time the American intelligence agency has settled on a stance about the origin of the virus that ...

Five years ago last week, the world shut down. The coronavirus that caused COVID-19 had first emerged in Wuhan, China, in December 2019. By March 2020, it had become a global pandemic leading to mass ...

The weekly percentage of U.S. deaths caused by flu strains is now higher than the percentage of those who died by COVID-19 for the first time since March 2020. The Centers for Disease Control and ...

The CIA has shifted its stance about the origin of the virus that causes Covid-19, NBC News reported on Saturday. The intelligence agency now believes that the coronavirus escaped from a Chinese lab, ...

Alexander Tin is a digital reporter for CBS News based in the Washington, D.C. bureau. He covers federal public health agencies. "My career in public health and vaccinology started with a deep-seated ...