Health

When China first reported cases of coronavirus to the World Health Organization on December 31, 2019, it was described as a mysterious new strain of pneumonia. It didn’t even have a name. Within two weeks, Chinese scientists had identified the virus’ genome sequence, the genetic code that makes up the virus. Within three weeks, the

While the coronavirus pandemic continued to surge throughout the summer and fall, federal government officials repeatedly offered a ray of hope: enough vaccine doses to vaccinate 20 million Americans by the end of December. But after the first week of vaccine distribution and with only nine days left to meet their self-imposed deadline, Operation Warp

More people traveled through US airports on Sunday than any other day this pandemic, setting the stage for waves of new infections across the country. Over 1.28 million people passed through security checkpoints, the Transportation Security Administration said. At the same time, more Americans were hospitalized this past week than any other week of the

More people traveled through US airports Sunday than any other day this pandemic, setting the stage for waves of new infections across the country. Over 1.28 million people passed through security checkpoints Sunday, the Transportation Security Administration said. At the same time, more Americans were hospitalized this past week than any other week of the

As the US prepares to grapple with potential holiday Covid-19 surges, hospitals across the country have reported more than 100,000 patients for the 26th day in a row. December has been a devastating month for coronavirus spread in the US. More than 63,000 Americans have died so far this month — the most since the

December has been the nation’s deadliest month since the Covid-19 pandemic’s start — with more than 63,000 Americans lost to the virus in the past 26 days. In comparison, the entire month of November saw about 36,964 deaths. The death toll comes on the heels of several brutal months, with Covid-19 ravaging communities from coast

With Christmas in the rear view mirror, public health experts are bracing for yet another surge in Covid-19 cases, similar to those seen after other US holidays in recent months. “We’ve just seen these amplification events, and that’s what’s happened at the end of this year in the US,” said Erin Bromage, an associate professor

The US Centers for Disease Control and Prevention has announced new testing requirements for travelers arriving from the UK, but research by the agency’s own scientists shows the rule may have only a small impact on the spread of the new UK strain of coronavirus. Starting Monday in the UK, passengers must have a negative

A health care worker who experienced an allergic reaction after receiving a Moderna Covid-19 vaccine at Boston Medical Center on Christmas Eve tells CNN he has a history of allergies. This is the first known case of allergic reaction from a Moderna coronavirus vaccine, although there have been at least six similar reported cases in

The associations between vaping cannabis and respiratory health symptoms haven’t been fully known before — but one new study has revealed a key discovery. The study, which published Tuesday in the journal JAMA Network Open, found that vaping cannabis at any frequency was linked with symptoms of bronchitis and wheezing in young adults around 19

Dr. Anthony Fauci turns 80 on Thursday, but don’t expect him to get philosophical on his big birthday. “I’m afraid if you sort of start dropping back and philosophizing about things, you could take your attention away from the job that we have,” he told CNN. “So, I will leave the philosophizing to another day.”

The nearly yearlong coronavirus pandemic has been full of gloomy numbers but Wednesday brought an encouraging one — more than 1 million people have received their first shot of a Covid-19 vaccine. And that reported number is low, because many doses administrated in recent days have yet to be tabulated in the figures from the

Michael Worobey, a biologist at the University of Arizona, has seen more than 100,000 different strains of the virus that causes Covid-19. But when he saw the new variant from the UK, he noticed something different. “This is the first variant I’ve seen during the whole pandemic where I took a step back and said: