1. Week 15 Vocab Definitions

2. Pathogen
A gene or infectious agent that causes disease or illness to its host
Passive immunity
Short term immunity that develops after the organism is exposed to a pathogen
Active immunity
Longer lasting immunity that body develops in response to an infection.

3. Antigen
Part of a pathogen that stimulates an immune response in the body
Antibody
Proteins produced by B Cells that react with and disable antigens
Vector
An organism that transmits disease (virus, bacteria, ticks)

4. Antiviral
A drug that destroys or prevents a virus from reproducing.
Antibiotics
An agent that stops the growth of bacteria
Virus
An infectious agent that must reproduce inside a host cell.
Vaccine
Dead or inactivated pathogens which cause the development of antibodies