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The Case of the Brain-Eating Amoeba

After diagnosing a middle-aged man with an incredibly rare and almost always fatal infection, a medical team led by UCSF fellow Natasha Spottiswoode raced to find a treatment that could save his life.

Illustration of a man in anguish, gripping his face and flowery-looking organisms flow out of his head; a doctor looks concerned in the background.

Two New Vaccines Join the Fight to Eradicate Polio

Two new oral polio vaccines will help limit the amount of new polio strains and outbreaks by genetically engineering weakened polio virus in the oral vaccine to reduce reversion to dangerous forms.

A pair of gloved hands deliver an oral polio vaccine with a dropper into a young boy's mouth.

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.