U.S. Centers for Disease Control and Prevention

The World Health Organization and top doctors are calling for people to wear masks again amid growing concerns over the COVID-19 Delta Variant, which contradicts guidance from the U.S. Centers for Disease Control and Prevention.

The federal government is expected to unveil new guidance on outdoor mask-wearing Tuesday as Gov. Charlie Baker hints at additional changes in Massachusetts.

Although the nation has reached an important milestone in expanding coronavirus vaccine eligibility to all adults, public health experts in Massachusetts warn that the pandemic isn’t over. Dr. Kimi Kobayashi, the chief quality officer at UMass Memorial, said it is important for everyone to wait the full two weeks after the second shot for the body to build up...

Although the nation has reached an important milestone in expanding coronavirus vaccine eligibility to all adults, public health experts in Massachusetts warn that the pandemic isn’t over.

Head of the CDC Dr. Rochelle Walensky is sounding the alarm over a possible fourth surge in COVID-19 cases as health experts label Massachusetts among the “areas of greatest concern.”

More than 28 million Americans fully vaccinated against the coronavirus will have to keep waiting for guidance from federal health officials for what they should and shouldn’t do

If a second dose of the coronavirus vaccine is not available within the recommended three-week time frame, it can still be effective up to six weeks later, according to the U.S. Centers for Disease Control and Prevention

Dr. Rochelle Walensky, 51, an infectious-diseases specialist at Harvard Medical School and Massachusetts General Hospital, was sworn in Wednesday. She takes the helm at a time when the virus’s U.S. death toll has eclipsed 400,000 and continues to accelerate.

Researchers estimate between 9,000 and 19,500 deaths during the week of Christmas alone, according to the U.S. Centers for Disease Control and Prevention. In Massachusetts, the CDC estimates that we could even see more than 200 deaths per week here.

Massachusetts officials will submit their plan for coronavirus vaccine distribution to the federal government Friday, though Gov. Charlie Baker said the process could be “lumpy.”

The Centers for Disease Control and Prevention is shortening the recommended length of quarantine after exposure to someone who is positive for COVID-19, as the virus rages across the nation. The new guidelines released Wednesday will allow people who have come in contact to someone infected with the virus to resume normal activity after 10 days if no symptoms are…

The first coronavirus vaccines could arrive in Massachusetts as early as this month, Gov. Charlie Baker said Tuesday, but it will take time to achieve widespread distribution.

A panel of advisers with the Centers for Disease Control and Prevention (CDC) will have an emergency meeting Tuesday to talk about how the vaccine will be given out, and who should receive it first.

The U.S. Centers for Disease Control and Prevention is finalizing plans to shorten the recommended length of quarantine for those exposed to COVID-19. The CDC currently recommends that individuals quarantine for 14 days after being exposed to people with the coronavirus.

The Centers for Disease Control and Prevention is finalizing plans to shorten the recommended length of quarantine for those exposed to COVID-19, NBC News reports.

Government mandates that require people to wear masks in public can slow the spread of COVID-19, a new report published Friday by the Centers for Disease Control and Prevention finds, and communities that don’t enact such orders may face dramatic increases in new cases. The report explored the striking differences among counties in Kansas during the summer: Some adopted mask mandates,...

Wearing a mask not only protects others from the spread of COVID-19, but it protects the wearer as well, the Centers for Disease Control and Prevention said Tuesday in its strongest messaging yet on face coverings.

The United States has recorded more than 240,000 deaths from the coronavirus pandemic as cases continue surging nationwide, according to NBC News.

If one person in a household has COVID-19, there’s a good chance it’ll spread to others — and quickly. A report from the Centers for Disease Control and Prevention, published Friday, took a close look at how the virus spread throughout people’s homes. Full NBC News coverage of the coronavirus outbreak The study included 101 households in Nashville, Tennessee, and Marshfield,...

The government’s top public health officials warned that the number of COVID-19 cases is rising across a majority of the country in a rare briefing Wednesday afternoon, NBC News reports.