One person has died, 200 are under observation and a hospital is under quarantine. Here’s what matters most to experts.

Childhood vaccination rates are falling across Ireland, a GP has warned, as measles and other once-rare diseases start ...

"I got the vaccine, but I still caught the flu." This is a story heard somewhere every year. And usually, that is where the ...

Grace Manthey is the senior visual data journalist and data team coordinator for CBS News and Stations. She is an Emmy-winning journalist and visual storyteller with a passion for telling stories that ...

Healthcare providers should consider a diagnosis of plague in patients who have symptoms consistent with the disease and who live, or have recently traveled to, the western United States or other ...