Emerging Data Raise Questions About Antigen Tests and Nasal Swabs
A small, new real-world study suggests that two widely used at-home antigen tests, the Abbott
Coronavirus Delta Variant
Omicron Doesn’t Infect the Lungs Very Well, Animal Studies Find
A spate of new studies on lab animals and human tissues are providing the first
C.D.C. Study Suggests Omicron’s Incubation Period Is Just 3 Days
Days before the United States had its first confirmed case of the Omicron variant on
What Are the Symptoms of Omicron, the New Covid Variant?
It’s likely that the symptoms of Omicron will resemble Delta’s more than they differ. “There’s
Doctors and Nurses Are ‘Living in a Constant Crisis’ as Covid Fills Hospitals
SAGINAW, Mich. — On the top floor of the hospital, in the unit that houses
Omicron Is a Dress Rehearsal for the Next Pandemic
Seek and you shall find In any other context, it would have been unremarkable: On
Upstate New York Hospitals Are Overwhelmed as Covid Cases Surge
A surge in Covid cases and a shortage of health care workers is filling hospitals
As Omicron Variant Circles the Globe, African Nations Face Blame and Bans
Nations in southern Africa protested bitterly on Saturday as more of the world’s wealthiest countries
Study: Pfizer Vaccine Protects Against Hospitalization for Six Months
The Pfizer-BioNTech coronavirus vaccine is 90 percent effective at preventing hospitalization for up to six
U.S. Covid Death Toll Nears 700,000 Despite Availability of Vaccines
His own exhaustion runs deep. He works seven days a week and has lately been
