As the delta variant continues to spread in countries around the world, some COVID-19 safety restrictions have been reinstated in efforts to curb the rising cases. But the director of the U.S. Centers ...

As 56 million school children return to the classroom, the debate over masks in school rages -- along with the Delta variant. "The Delta variant is really effective at making copies of itself," says ...

SAN FRANCISCO -- The Delta variant now accounts for more than 51% of new COVID-19 cases across the country. Los Angeles County public health officials recommend everyone wear masks inside regardless ...

CHICAGO (NewsNation Now) — Some state and local leaders are encouraging even fully vaccinated people to wear masks indoors to blunt a rise of the delta variant of COVID-19. Monday, Illinois Gov. JB ...

SAN FRANCISCO -- With the Delta variant and breakthrough cases of COVID-19 reported, some vaccinated people are wondering when, if at all, they should get tested. Health officials say there are at ...

CHICAGO (WLS) -- Work being done inside a UIC lab will hopefully lead to more information about various strains of COVID-19, including the Delta variant. "What we want to know is how fast these ...

The Centers for Disease Control and Prevention listed the COVID-19 delta variant as one of its "variants of concern" (VOCs) on June 15. According to the CDC, VOCs can be more contagious, more ...

NEW YORK (WABC) -- New York City's latest COVID positivity rate is still low at 1.17 percent. Marriage bureaus in the city are opening on Monday for in-person weddings. However, there was a warning on ...

The Centers for Disease Control and Prevention listed the COVID-19 delta variant as one of its "variants of concern" (VOCs) on June 15. According to the CDC, VOCs can be more contagious, more ...

WASHINGTON -- National Institutes of Health Director Dr. Francis Collins said Sunday he believes vaccine requirements could make a difference in slowing the rapid spread of COVID-19 and acknowledged ...

Oregon will soon require people to wear masks outdoors in public settings where physical distancing isn't possible, the governor said Tuesday, in response to near-state-record COVID-19 cases and ...