In what may be the world’s most important math puzzle, researchers are trying to figure out how many people in a community must be immune before the coronavirus fades.
Author: APOORVA MANDAVILLI
Older Children and the Coronavirus: A New Wrinkle in the Debate
A new report from South Korea throws into question an earlier finding regarding transmission by older children.
‘A Smoking Gun’: Infectious Coronavirus Retrieved From Hospital Air
Airborne virus plays a significant role in community transmission, many experts believe. A new study fills in the missing piece: Floating virus can infect cells.
Even Asymptomatic People Carry the Coronavirus in High Amounts
Researchers in South Korea found that roughly 30 percent of those infected never develop symptoms yet probably spread the virus.
‘The Biggest Monster’ Is Spreading. And It’s Not the Coronavirus.
Tuberculosis kills 1.5 million people each year. Lockdowns and supply-chain disruptions threaten progress against the disease as well as H.I.V. and malaria.
Your Coronavirus Antibodies Are Disappearing. Should You Care?
Declining antibody levels do not mean less immunity, experts say. Besides, two widely used tests may detect the wrong antibodies.
C.D.C. Data Shows U.S. Coronavirus Infections Much Higher Than Reported
Data from antibody tests in 10 different cities and states indicate that many people with no symptoms may be spreading the virus.
The Coronavirus Can Be Airborne Indoors, W.H.O. Says
The agency also explained more directly that people without symptoms may spread the virus. The acknowledgments should have come sooner, some experts said.
W.H.O. to Review Evidence of Airborne Transmission of Coronavirus
The World Health Organization plans to update its advice after hundreds of experts urged the agency to reconsider the risk of aerosol transmission.
Patient Is Reported Free of H.I.V., but Scientists Urge Caution
Brazilian scientists say the man no longer shows signs of the infection after taking a powerful drug cocktail. But the preliminary results require confirmation.