Structures and Functions

Biological agent that causes disease or illness to its host?

• Antigen
• Antibiotic
• Vaccine
• Pathogen

Drugs that slow down the rate at which the virus reproduces.

• Antibiotics
• Antihistamines
• Antifungal drugs
• Antiviral

A widespread occurrence of a disease

Microscopic core of genetic material surrounded by a protein coating that can cause illness when they infect a living cell.

a weakened or dead form of the pathogen that stimulates the immune system to make antibodies.

To change or alter

A sudden or spontaneous occurrence of a disease.

One celled organisms that are grouped according to shape.

Immune to change

Prevalent throughout an entire country, continent or the whole world, an epidemic over a larger area.