U.S. cases involving Brazil variant on the rise, according to CDC data

Doctors in Japan say they have performed the world’s first successful transplant of healthy lung tissue from living donors to a patient whose lungs were severely damaged by covid-19.

The federal government is deploying more resources to Michigan — but not additional vaccine doses — as the state grapples with a sharp rise in new infections.

In the United States, nearly 20 percent of the population has been fully vaccinated against the coronavirus, giving some 66 million people a strong measure of protection against a disease that has killed more than 559,000 people nationwide.

U.S. intelligence officials have little comfort to offer a pandemic-weary planet about where the world is heading in the next 20 years. Short answer: It looks pretty bleak.

Variants of the coronavirus are increasingly defining the next phase of the pandemic in the United States, taking hold in ever-greater numbers and eliciting pleas for a change in strategy against the outbreak.