MCQ with answers on Vaccines, vaccination history 1) When was the smallpox virus first eradicated from the world? a) 1945 b) 1960 c) 1970 d) 1980 2) Antigens are vital components of vaccines, and to enhance immune response and prevent contamination, adjuvants or stabilizers are incorporated during the vaccine manufacturing process. Name the least commonly used adjuvant used in vaccine development. a) Formaldehyde b) Aluminum sulfate c) Potassium aluminum sulfate d) Aluminum hydroxide 3) Immunization is a crucial and efficient method for safeguarding individuals against various infectious diseases. It encompasses two primary categories: active and passive immunization. All of the following statements are correct about the active and passive immunization process, Except ? a) Both can occur naturally as well as artificially b) Active immunizatio...