Add Yahoo as a preferred source to see more of our stories on Google. Chicken pox can spread quickly in people who aren't vaccinated. (Illustration: Liliana Penagos; Photo: Getty Images) (Illustration ...

The varicella vaccine is highly effective and decreases chickenpox cases significantly. Chickenpox is contagious 1-2 days before you develop a rash and until all blisters crust over. If untreated, ...

If you developed a pox-like rash before this summer, you’d probably suspect chickenpox and call your doctor about next steps. But, now that monkeypox is circulating in the U.S. and cases continue to ...

An increase in chickenpox cases has been reported among children in Buncombe County, North Carolina. Chickenpox is a highly contagious disease caused by the varicella-zoster virus, spreading easily in ...

The chicken pox vaccine became available in the U.S. in 1995 and, since then, cases of the virus in the U.S. have plummeted. But chicken pox still emerges from time to time. Montana public health ...