What to know about the XEC Covid variant gaining traction in the U.S.
The strain was first detected in May and has since gained a foothold in parts of Europe.
Covid-19
Latest news on the coronavirus, which has killed millions during a global pandemic.
More Covid news
Florida discourages use of mRNA Covid vaccines in older adults
In updated guidance to health care providers, Florida health officials advise that "non-mRNA Covid-19 vaccines and treatment" should be prioritized.
FDA authorizes Novavax's updated Covid vaccine targeting JN.1 strain
Novavax's protein-based shot offers an alternative to the mRNA-based vaccines from Pfizer and Moderna.
Federal lawsuit challenges public face covering ban in Nassau County, New York
Plaintiffs say that the Nassau County prohibition violates the Americans with Disabilities Act.
FDA approves new Covid vaccines from Pfizer and Moderna
With the summer Covid wave still rising, experts say the timing for getting vaccinated is important.
The signature symptoms of long Covid in kids
A study reveals how the illness can present differently for school-age children and teens. Common symptoms include headaches, stomach pain, fatigue and muscle pain.
NIH study to pinpoint long Covid diagnosis comes up short
Researchers pored over lab results from more than 10,000 patients from across the U.S. but couldn't find differences between patients with and without long Covid.
Covid cases on the rise: Is it too late for a vaccine?
Timing the vaccines to match Covid waves has been an ongoing challenge for public health officials.
Is this the biggest Covid summer wave ever?
A rise in Covid infections began in early June, and wastewater data from the CDC shows levels are still rising.
Covid fell to 10th leading cause of death in the U.S. last year, down from 4th
The disease represented less than 2% of deaths in the U.S. in 2023 — a large decrease from nearly 6% the year prior.
Covid cases are rising: When to rest and when to test
21 states have very high levels of Covid, according to wastewater data.
Biden has Covid and didn't wear a mask. The CDC's guidelines say he doesn't have to.
Biden emerged bare-faced from the motorcade after he arrived at the airport in Las Vegas, where he had made several appearances, and boarded Air Force One.
