Robert F Kennedy Jr is a man best known for his years of tireless work undermining public confidence in vaccines, and repeating long-debunked claims about their ...

Smallpox infection was often more severe in pregnant women than in non-pregnant women or in men, regardless of vaccination status. Women with smallpox infection during pregnancy have higher rates ...

Smallpox, one of the biggest killers in history, is caused by a virus called variola. Variola causes a distinctive rash and is often lethal. The name variola comes from the Latin word for “spotted” ...