3064
Hepatitis B immune globulin ( HBIG ) and immune serum globulin ( ISG ) were examined in a randomized , double - blind trial to assess their relative efficacies in preventing type B hepatitis after needle - stick exposure to hepatitis B surface antigen ( HBsAG ) - positive donors .
 Disease: Hepatitis B; Disease: type B hepatitis; Chemical: hepatitis B surface antigen; Chemical: HBsAG
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Disease: Hepatitis B; Disease: type B hepatitis; Chemical: hepatitis B surface antigen; Chemical: HBsAG