Add Yahoo as a preferred source to see more of our stories on Google. Confusion over vaccine recommendations in the U.S. has hit a boiling point as the responsibility for handling them has spilled ...

Questions about the COVID-19 shot abound as federal recommendations shift and medical groups issue clashing guidance.

The surge in vaccine litigation is not simply a post-pandemic, temporary issue. It is a deeper erosion of the legal principles that have long supported public health authority.

As millions of Americans continue to get vaccinated every day, the process of how we got here is nothing short of a big step in innovation in the eyes of health experts. “The very thought that we ...

From inoculations against polio and smallpox to protections from measles and tetanus, vaccines are critical health care tools that have saved more than 150 million lives in the past 50 years. Rarely, ...

European regulators cleared Moderna’s first-of-its-kind vaccine as US approval remains uncertain. On Friday, Moderna’s ...