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 ...

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, ...

A small outbreak of chicken pox was traced back to a single school bus in Michigan, and highlights the importance giving kids the chicken pox vaccine, according to a new report. Health officials in ...

Childhood chicken pox can return later in life as a painful rash called shingles. In those over 60, a vaccine prevents the rash, but it is not recommended for those who are younger. Eleven years ago, ...