Researchers show how specific immune cells are activated by the vaccine -- an important starting point for the development of new vaccines. Researchers show how specific immune cells are activated by ...

Helen Branswell covers issues broadly related to infectious diseases, including outbreaks, preparedness, research, and vaccine development. Follow her on Mastodon and Bluesky. You can reach Helen on ...

The immune system’s first encounter with a virus or vaccine establishes a “starting template” that shapes its response to new variants, a phenomenon often called immune imprinting. A new study shows ...

A 4-year-old boy picks out a bandage before getting vaccinated in San Jose, California, in 2022. (Jane Tyska/Digital First Media/The Mercury News via Getty Images) How we did this Pew Research Center ...

While fear of needles still holds back many vaccination campaigns, science is preparing the next generation: an innovative, needle-free vaccination technology is gaining traction. It is said to be ...

Health Secretary Robert F. Kennedy Jr. has toned down his public criticism of vaccines, under orders from the White House. But inside his department, a sprawling research effort is a top priority.

Myocarditis has become a flashpoint in debates about COVID vaccines; however, new research suggests this rare heart inflammation is a window into how powerful immune technologies sometimes misfire in ...

Vaccination campaigns have nearly eradicated some of the most deadly and transmissible diseases. However, against a backdrop of a rising tide of vaccine hesitancy, and U.S. leaders pulling global ...

As of Feb. 26, there have been 1,136 confirmed measles cases in the United States this year, in 28 states — including Pennsylvania — according to the Centers for Disease Control and Prevention.