Scientists initially estimated that 60 to 70 percent of the population needed to acquire resistance to the coronavirus to banish it. Now Dr. Anthony Fauci and others are quietly shifting that number upward.
Tag: National Institute for Allergy and Infectious Disease (NIAID)
How Much Herd Immunity Is Enough?
Scientists initially estimated that 60 to 70 percent of the population needed to acquire resistance to the coronavirus to banish it. Now Dr. Anthony Fauci and others are quietly shifting that number upward.
Another H.I.V. Vaccine Fails a Trial, Disappointing Researchers
After more than 30 years of research, 1.7 million people are still infected each year with the virus that causes AIDS.
Someday, an Arm Implant May Prevent H.I.V. Infection for a Year
In preliminary tests, a matchstick-size rod containing a new drug offered promise as a shield against the virus. But a large clinical trial must still be done.