Epidemiology
The Risk of Heart Disease after COVID
Some studies suggest that the risk of cardiovascular problems, such as a heart attack or stroke, remains high even many months after a SARS-CoV-2 infection clears up
Stories by Saima May Sidik
Medicine
The Hunt for Drugs for Mild COVID
People who are unlikely to develop severe COVID-19 have no widely approved medications to ease the illness
Pharmaceuticals
New COVID Drugs Face Delays as Trials Get Harder to Do
The success of vaccines has reduced the pool of people available for studies, among other factors
Plants
Pollen Grains Carry Hundreds of Plant Viruses
“Sexually transmitted” plant viruses may be on the rise because of agricultural activity
Vaccines
COVID Vaccines plus Infection Can Lead to Months of Immunity
New research counters high-profile claims that people who had COVID don’t benefit from vaccination
Vaccines
Vaccines Remain Effective against BA.2, but Protection from Infection Wanes over Time
Such protection declines within months of the mRNA COVID vaccines’ third dose. Yet the vaccines continue to ward off severe disease
Vaccines
Common Antidepressant Slashes Risk of COVID Death
Fluvoxamine is both inexpensive and highly effective at preventing mild COVID-19 from turning severe
