After a drawn-out global controversy over the coronavirus, the W.H.O. has updated its classification of how pathogens spread through the air.
Author: CARL ZIMMER
Genetic Signature of Down Syndrome Found in Ancient Bones
The discovery may help shed light on how prehistoric societies treated children with rare conditions.
Humanity’s Ancestors Nearly Died Out, Genetic Study Suggests
The population crashed following climate change about 930,000 years ago, scientists concluded. Other experts aren’t convinced by the analysis.
Happy Birthday, Omicron
One year after the variant’s discovery, virologists are still scrambling to keep up with Omicron’s rapid evolution.
CRISPR, 10 Years On: Learning to Rewrite the Code of Life
The gene-editing technology has led to innovations in medicine, evolution and agriculture — and raised profound ethical questions about altering human DNA.
J. & J. Booster Protects Against Severe Omicron, Study Says
Two shots of the vaccine reduced the risk of hospitalization from the fast-spreading variant by 85 percent, a clinical trial found.
Omicron Variant May Help Beat Delta, Study Suggests
In the lab, antibodies produced during an Omicron infection protected against Delta. If Omicron dominates in the real world, that could lead to a less dire future.
Omicron Variant Might Help Defend Against Delta, Lab Study Suggests
In the lab, antibodies produced during an Omicron infection protected against Delta. If Omicron dominates in the real world, that could lead to a less dire future.
Novavax’s Covid Vaccine Is Authorized in Europe
The vaccine will be the fifth to become available in the E.U., which already has ample supplies.