Coronavirus Variant

The B.1.1.7 spreads more easily, and might be more deadly.

UCF officials said the student was isolated after testing positive and contact tracing measures were taken.

Reports suggest the White House may restrict domestic travel to control spread of COVID variants. Gov. Ron DeSantis, Sen. Marco Rubio and a hospitality industry group are opposed.

Health officials say a new variant of the coronavirus is spreading so quickly in Florida that it will become the state’s most dominant strain by March.

The number of people tested across Florida surpassed 121,000 on Tuesday, a jump of more than 29,000 since Monday, according to the Florida Department of Health.

One day you're worrying about the regular old coronavirus. Then — seemingly out of the blue — there are variants. Worrisome variants! How did they come to be? And why are they likely more contagious?

The spread of new strains raises new questions as two COVID-19 vaccines continue their rollout across the U.S. and another vaccine candidate preps for regulatory review. Here's what you need to know.

The CDC doesn't give a county breakdown, but on Thursday the state said the most cases were in Broward and Miami-Dade.

NPR's Ailsa Chang speaks with Dr. Paul Stoffels, chief scientific officer for Johnson & Johnson, about the latest data on the efficacy of the company's COVID-19 vaccine.

Newly discovered variants of COVID-19 in South Africa and Brazil could make the virus more infectious and may decrease the efficacy of vaccines.

More transmissible forms of the coronavirus have emerged on three continents, and at least one is circulating across the U.S. But scientists are especially worried about a variant spreading in Brazil.

NPR's Ailsa Chang talks with biologists Pardis Sabeti and Sharon Peacock about how genomic sequencing was used in the U.K. to trace a new coronavirus variant and what the U.S. can learn from it.