Bacteria and Disease

Symbiosis

Prolonged and close interaction b/w organisms of different species

Virulence

Describes the degree of pathogenicity of an organism or the degree to which an organism can produce disease

Contamination

Presence of unwanted materials where they should not be or at concentrations above the normal

Pollution

Presence of contaminants that can cause adverse biological effects to humans and communities.

Reservoir

Continual source of disease causing microorganisms

Pathogenicity

Ability of an organism to produce disease

Immune status

most important factor that can affect development of disease process

Pyemia

Invasion of the body by pathogenic microorganisms