Scientists scrutinized Pfizer vaccine recipients’ blood samples to learn exactly what effects the vaccine exerts on the body’s immune system.

A leader in the biomedical revolution, Stanford Medicine has a long tradition of leadership in pioneering research, creative teaching protocols and effective clinical therapies.

For the seventh year running, U.S. News & World Report has ranked Stanford Health Care one of the nation’s finest hospitals.

Get the latest news on COVID-19 testing, treatment, tracking data, and medical research.

A Q&A explores the controversy regarding the drug’s efficacy, safety and cost.

A 10-week diet high in fermented foods boosts microbiome diversity and improves immune responses.

The new issue examines racial inequity and inequality in medicine and explores initiatives to close the gaps in care.