SAN FRANCISCO (KGO) -- A surge in coronavirus cases has been reported in the Bay Area and across California as well as the country due in part to the emergence of the highly-contagious delta variant.

Chicago officials issued a travel warning on Tuesday for Missouri and Arkansas amid an increase of Covid-19 cases there, authorities said. This is the first time in weeks the city has issued a travel ...

With the Delta variant in play, federal health officials are analyzing the latest numbers to look at the frequency and seriousness of COVID-19 breakthrough infections. Will we need booster shots? And ...

The fast-spreading delta variant of the coronavirus has been gaining traction worldwide since it was first detected in India. It’s a version of the coronavirus that has been found in more than 80 ...

Planning an international vacation was stressful enough before COVID-19 emerged. Now, the pandemic has travelers jumping through even more hoops. Certain countries have lifted travel restrictions ...

Add Yahoo as a preferred source to see more of our stories on Google. Getty Images An alleged warning has spread online for years about a supposed "new COVID-Omicron XBB variant" — a new strain of the ...

LONDON — Since the start of the coronavirus pandemic, the U.S. has been keeping a close eye on the U.K. Stream Los Angeles News for free, 24/7, wherever you are. From its initial response to Covid-19 ...

WASHINGTON -- As the country grapples with a surge in the delta variant of the COVID-19 coronavirus, Dr. Anthony Fauci believes that lockdowns the country saw last year are likely to not return, ...