- What is a pathogen?
Answer: An organism like bacteria or fungi that causes disease. - When a disease is known to be present in population at all times it is called ___________.
Answer: Endemic - Athlete's Foot is an example of which of the following: viral disease, bacterial disease, fungal disease.
Answer: fungal disease - The substance that causes a person's body to make antibodies to fight disease is known as...
Answer: An antigen - What is interferon?
Answer: A protein produced by the cell that helps protect against viral infections.

