Yesterday we explored four key myths and why they don’t stand up to scrutiny: ‘Vaccines were never properly tested’ ...

We’re familiar with the role of vaccines in preventing diseases like measles and polio. But there’s a lot more to it than that, especially these days, as vaccines are at a crossroads. High-tech ...

Germ theory is the idea that pathogens can invade the human body and cause disease — and it wasn't always accepted. Evidence for germ theory accumulated over time, and as it did, it butted against ...

Vaccines have saved millions of lives since their invention. A recent study suggests they might also protect against neurodegenerative diseases. Vaccination is a cornerstone of preventive medicine, ...

Researchers have discovered how antibodies help to protect against contagious bacterial infections caused by Strep A, including strep throat. And the findings are already contributing to efforts to ...

Under RFK Jr., Danish schedules, new definitions and conflicting recommendations are all part of a vexing maze.

Cases of respiratory syncytial virus are increasing, but vaccines and antibody shots can keep young children out of the ...