Chickenpox is one of the most common childhood viral infections and in most cases it is a mild disease. However complications arising from chickenpox can be quite severe and like other childhood diseases, it can be prevented with the proper vaccination. Chickenpox is highly contagious and affects most children within the first 10 years of life. In adults, the disease can be more severe but complications are usually rare aunless the person is immunocompromised like in HIV/AIDS patients.
