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, ...

Many of us recognise chicken pox, a common childhood viral illness caused by varicella - zoster virus. From 1st January 2026 a routine chicken pox vaccine, is available freely to young children as ...