Why do so few infants born to mothers with SARS-CoV-2 become infected? Three new studies probe what may be happening.

How safe are the two currently approved U.S. COVID-19 vaccines for people with food or medication allergies?

Researchers have uncovered evidence of intricate interactions between nervous and immune systems, previously thought to operate independently.

How can aspiring physician-scientists catch up when they return to the lab after years of clinical training?