Smallpox is caused by a virus that infects people causing painful sores. Jenner performed his smallpox vaccine experiment in 1796. Using your knowledge of the immune system and vaccines explain how humans were able to get rid of this disease in the human population by 1980.

Which of the following describes research that would be considered basic science? a. a farmer is trying to improve his crop yields by using a new kind of fertilizer. b. a college students is curious about the growth of desert pants in the presence of excess amounts of water. c. government officials are trying to prevent the spread of new strain of influenza virus. d. a doctor is trying to determine why a patient is feeling tried and sick. b.a college students is curious about the growth of desert pants in the presence of excess amount of water