C.D.C. Guidelines Suggest 70 Percent of U.S. Could Stop Wearing Masks
A study published by the C.D.C. on Friday suggested that about half…
The C.D.C. Isn’t Publishing Large Portions of the Covid Data It Collects
For more than a year, the Centers for Disease Control and Prevention…
A Woman Is Cured of H.I.V. Using a Novel Treatment
A bone marrow transplant is not a realistic option for most patients.…
Bob Saget’s Autopsy Report Describes Severe Skull Fractures
Some neurosurgeons said that it would be unusual for a typical fall…
Is the Coronavirus in Your Backyard?
There are many theories, none entirely satisfying. An infectious hunter might encounter…
Ukraine Gave Up Nuclear Weapons 30 Years Ago. Today There Are Regrets.
At the end of the Cold War, the third largest nuclear power…
In New York City Sewage, a Mysterious Coronavirus Signal
“To have something in a sewershed that you’re detecting, you need a…
Why Nasal Covid Vaccines May Make Better Boosters
HYDERABAD, India — On the outskirts of this centuries-old Indian city, a…
A Cancer Treatment Makes Leukemia Vanish, but Creates More Mysteries
After the CD8 cells did their job, they remained in the blood…