The largest study yet confirms that race, ethnicity, age and sex can raise a person’s chances of dying from Covid-19.
Tag: Research
Researchers Debate Infecting People With Coronavirus to Test Vaccines
The technique, called a human challenge trial, has been used to evaluate other vaccines.
Even the South Pole Is Warming, and Quickly, Scientists Say
Surface air temperatures at the bottom of the world have risen three times faster than the global average since the 1990s.
How the World Missed Covid-19’s Silent Spread
Symptomless transmission makes the coronavirus far harder to fight. But health officials dismissed the risk for months, pushing misleading and contradictory claims in the face of mounting evidence.
Two Black Holes Colliding Not Enough? Make It Three
Astronomers claim to have seen a flash from the merger of two black holes within the maelstrom of a third, far bigger one.
Wildlife Trade Spreads Coronaviruses as Animals Get to Market
DNA tests show an increase in the number of animals with positive tests for some coronaviruses from the time they are trapped until they arrive on someone’s dinner plate.
Scientists Take Aim at Another Coronavirus Study in a Major Journal
A report on masks relied on unfounded assumptions, researchers charged, and the authors were permitted to choose their own reviewers.
You May Have Antibodies After Coronavirus Infection. But Not for Long.
Antibodies to the virus faded quickly in asymptomatic people, scientists reported. That does not mean immunity disappears.
Dexamethasone Reduces Coronavirus Deaths, Scientists Say
A steroid, dexamethasone, is the first drug shown to help save severely ill coronavirus patients, according to scientists in Britain.
Flushing the Toilet May Fling Coronavirus Aerosols All Over
A new study shows how turbulence from a toilet bowl can create a large plume that is potentially infectious to a bathroom’s next visitor.