Communicable Diseases

Which is an example of a communicable disease?

• Cancer

• Influenza

• Heat Stroke

A general term used to describe microscopic organisms that can cause diseases.

• germs

• heredity

• health

This is the pathogen that causes diseases. (virus, bacteria, fungi, protozoa)

(a)  

Which is not an example of a reservoir of pathogens?

• humans

• animals

• soil/water

• alcohol

The portal of (a)   is the way the infectious agent leaves the reservoir.

The mode of (a)   is the way the infectious agent can be passed on.

The Portal of (a)   is the way the infectious agent can enter a new host.

The susceptible (a)   can be any person, especially those with weak immune system.

Who invented the first vaccine?

• Edward Jenner

• Alexander Fleming

• Louis Pasteur

• Daniel Hale Williams

Against what disease was the first vaccine invented?

• polio

• smallpox

• chickenpox

• covid-19