What is chicken pox ?

Chicken pox is acute infectious diseases, which caused by the varicella-zoster virus infection in the first time. It commonly occurs mainly in infants and children, which is characterized by the appearance of a skin rash herpes and measles as well as fever. It is a very high contagious disease and usually become very active in spring & winter. It can be transited by the contact of droplet. The incidence of susceptible is up to 95%, which usually occur in pre-school children. There is three stage, batches of skin rash, blisters and crusted, but all three stages can be appeared on the skin at the same time. You will have immunity all your like after the recover of chicken pox, but the virus can attack you again after years with the symptom of shingles.