Which microorganism is used to produce the hepatitis B vaccine?(a) What is viral hepatitis? (b) What are its major symptoms? (c) How is hepatitis transmitted?What type of hepatitis virus is most commonly associated with blood transfusions?
Name the mosquito that causes malaria in the world today. What is AIDS caused by? a. a mutation on a cell's receptor site b. a bacterium c. a virus d. mosquito bites e. none of the above Name the pathogen which causes malignant...