On Jan. 21, 2020, the U.S. Centers for Disease Control and Prevention confirmed the United States' first known case of novel coronavirus -- what would later come to be known as COVID-19.

NEW YORK -- At the beginning of 2020, as the nation celebrated the start of a new year, many Americans were still unaware of the "mysterious pneumonia" that had sickened dozens of workers at a live ...

SAN FRANCISCO (KGO) -- It's been more than a year since the first case of COVID-19 hit this country. Since then half a million people have died from coronavirus. Latinos and African Americans were ...

(CNN) — Here’s a look at the coronavirus outbreak, declared a worldwide pandemic by the World Health Organization. The coronavirus, called Covid-19 by WHO, originated in China and is the cousin of the ...