[Study of the reasons for spread of communicable diseases].
Wei
C Y
CY
D000163:Acquired Immunodeficiency Syndrome / Q000453:epidemiology*; D000349:Africa / Q000453:epidemiology; D001208:Asia / Q000453:epidemiology; D019142:Hemorrhagic Fever, Ebola / Q000453:epidemiology*; D006801:Humans; D014376:Tuberculosis / Q000453:epidemiology*