FIGURE 1. Average monthly number of vials of varicella-17:22 97/08/12zoster immune globulin distributed as an investigational new drug (IND) and as a licensed product, January 1978－September 1983，and reported varicella cases, by month, 1981

FIGURE 1. Average monthly number of vials of varicella-17:22 97/08/12zoster immune globulin distributed as an investigational new drug (IND) and as a licensed product, January 1978－September 1983，and reported varicella cases, by month, 1981－United States