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Invisible Corps

There’s only one uniformed service in the world dedicated to public health: the Commissioned Corps of the U.S. Public Health Service. This PBS documentary explores its history and highlights some its officers, including former U.S. Surgeon General Richard Carmona, MD ’79, MPH, and former Chief Pharmacist Officer Pamela Schweitzer, PharmD ’87. Stream it on pbs.org.

Makers of PFAS ‘Forever Chemicals’ Covered up the Dangers

UCSF’s analysis of previously secret industry documents reveals that the chemical industry suppressed knowledge of health harms caused by PFAS exposure, mirroring tactics used by the tobacco industry and highlighting the need for stricter regulation and precautionary principles in chemical regulation.

A gloved hand dips a laboratory flask into a lake to collect a water sample for testing.

COVID-19 Masks: Expert Tips for What You Should (and Shouldn’t) Do

Face masks remain crucial in preventing the spread of COVID-19, even with vaccine availability. The decision to wear masks depends on vaccination status, risk factors, and local hospitalizations. Medical N95, KN95, or KF94 masks offer the best protection.

Two Black women stand outside wearing blue N95 face masks.

Does Your Vaccine Type Matter in the Battle Against COVID?

COVID vaccine efficacy varied by age, BMI, sex, and smoking status, with levels changing over six months in a UCSF-led study. Pfizer and Moderna had higher antibody responses than Johnson & Johnson at one month, but Johnson & Johnson overtook them at six months.

A health professional wearing a blue latex gloves delivers a COVID-19 vaccine in to a patient's shoulder.