Catholic hospitals run 20% of California’s maternity wards. Their policies generally prohibit abortion, even in miscarriage, ...

While the Trump administration targets COVID-19-related research, a new report from the ECDC shows the benefits of ...

This week, mRNA vaccines are set to face intense scrutiny from critics in Congress. Here's an explainer of how we know they are safe and effective.

The FDA is requiring COVID vaccine makers Pfizer and Moderna to update their warnings about the possible risk of myocarditis and pericarditis.