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No Sign of COVID-19 Vaccine in Breast Milk

Messenger RNA vaccines against COVID-19 were not detected in human milk, according to a small study by UCSF, providing early evidence that the vaccine mRNA is not transferred to the infant.

Probiotics: Health Hack or Hype?

We turned to UCSF scientists to better understand probiotics and the human microbiome they aim to influence.

Illustration of a rainbow colored person holding a probiotics pill bottle, floating through a sea of bacterium in the microbiome.

COVID-19 Vaccine Fact Vs. Fiction: An Expert Weighs in on Common Fears

We posed the most common COVID-19 vaccine quandaries to Bryn Boslett, MD, an infectious disease expert who is leading the vaccination effort at UCSF. She explains why mRNA vaccines won’t affect your DNA, which allergies pose a risk, what 95 percent efficacy really means, and more.

Older man in car about to receive a vaccine in his left arm

COVID-19 Has a Prolonged Effect for Many During Pregnancy

In the largest study to date of COVID-19 among non-hospitalized pregnant women, researchers analyzed the clinical course and outcomes of 594 women who tested positive for the SARS-CoV-2 virus during pregnancy.