A virus causes this condition. It often affects children, and was so common it was considered a childhood rite of passage. It’s very rare to have the chickenpox infection more than once. And since the chickenpox vaccine was introduced in the mid-1990s, cases have declined. read more
Chickenpox is a very contagious infection caused by the varicella-zoster virus. It mainly affects kids, but adults can get it, too. The telltale sign of chickenpox is a super-itchy skin rash with red blisters. read more