AIDS is transmitted in Africa and some parts of Asia primarilyby:
Select one:
a. Heterosexual contact.
b. Homosexual contact.
c. Intravenous drug use.
d. Blood transfusions.
e. Infected mother to child.
A scientist who studies the origin and distribution of all typesof diseases is best described as a(n):
Select one:
a. Biochemist.
b. Social worker.
c. Epidemiologist.
d. Demographer.
e. Sociologist.
Whose investigations into cholera outbreaks established thefoundation of modern epidemiology?
Select one:
a. Louis Pasteur.
b. John Snow.
c. Karl Marx.
d. Ralph Paffenbarger.
e. All these men helped lay the foundation of epidemiology.
