Diseases from which two continents killed millions of American Indians in the late 1400s

People from Europe and Africa traveled to the New World bringing with them various deadly diseases which Native Americans are not immune to, causing their deaths.

These diseases are the following:

1) smallpox - infectious disease caused by a virus with two variants, Variola major and Variola minor

2) typhus - a disease caused by Rickettsia bacteria

3) measles - highly contagious infection caused by the measles virus and is spread through air

4) influenza - infectious disease caused by an influenza virus; airborne disease

5) bubonic plague - bacterial infection caused by Yersinia pestis

6) cholera - infection in the small instestine caused by bacterium Vibrio cholerae

7) malaria - mosquito-borne infecious disease caused by protozoans

8) tubercolosis - infectious disease caused by mycobacteria

9) mumps - viral disease caused by mumps virus

10) yellow fever - acute viral disease caused by yellow fever virus transported by female mosquitos

11) pertussis - highly contagious bacterial disease caused by the bacterium Bordetella pertussi and is spread through air