The buzzy idea is impractical, critics said. And there isn’t yet real-world data to show it will work.
Author: Katherine J. Wu
Scientists See Signs of Lasting Immunity to Covid-19, Even After Mild Infections
New research indicates that human immune system cells are storing information about the coronavirus so they can fight it off again.
You Probably Won’t Catch the Coronavirus From Frozen Food
Reports that the virus was detected in a trans-continental shipment of frozen chicken wings sparked concerns online. But experts aren’t worried.
Why the Coronavirus is More Likely to ‘Superspread’ Than the Flu
Most people won’t spread the virus widely. The few who do are probably in the wrong place at the wrong time in their infection, new models suggest.
Fast, Less Accurate Coronavirus Tests May Ease the U.S. Backlog, Experts Say
Experts are revising their views on the best methods to detect infections, setting aside long-held standards so that the spread of the virus can be more quickly tracked and contained.
Gut Microbes Might Keep Malnourished Children From Growing
Bacteria in the small intestine may drive inflammation that makes it harder for children to get the calories and nutrients they need.
Study of 17 Million Identifies Crucial Risk Factors for Coronavirus Deaths
The largest study yet confirms that race, ethnicity, age and sex can raise a person’s chances of dying from Covid-19.
Sanofi Accelerates Its Timeline for Coronavirus Vaccine Development
The French drugmaker is testing two types of vaccines in a bid to catch up to competitors.
Coronavirus Study: 1 in 5 People Worldwide at Risk
Roughly 1.7 billion people have at least one of the underlying health conditions that can worsen cases of the coronavirus, a new analysis shows.