Bad Blood? The Uncertainty Around Microclots and Long Covid
Scientists are debating whether microscopic blood clots are responsible for the wide range of symptoms in long Covid.
Health
The Cost of Freeing Drinking Water from ‘Forever Chemicals’
The EPA is set to limit PFAS in drinking water to barely detectable levels. Can water utilities meet the standard?
Why COVID Vaccines for Young Children Have Been Hard to Get
Access to pediatric COVID vaccines has been hampered by a shortage of doses, higher costs to providers and parental skepticism
A Valuable COVID Drug Doesn’t Work against New Variants
Current monoclonal antibodies fail against COVID virus variants, so drugmakers want to use a fast-track test for new ones
Omicron-Specific COVID Boosters Are Coming
The FDA has called for updating COVID vaccines to address the Omicron subvariants BA.4 and BA.5. But will the shots keep up with the virus?
What We Know About Omicron’s BA.2 Variant So Far
Does the new strain sweeping the globe mean COVID will become ever more contagious?