What is a disease?
Anything that prevents the body from functioning properly
Contagious disease
Disease that can be easily spread from one person
Pathogens
organisms that causes diseases
Antibiotics
Kill or inhibit growth of bacteria from cell walls
Vaccines
dead pathogens that trigger the 3rd line of defence to build memory artificially
Purpose of hygiene
To keep your body clean and to protect you form getting infections
Purpose of quarantine
physical separation for individuals who have been exposed to a contagious disease
Immunosuppressed
Having a weakened immune system
Infections
Occurs when a pathogen enter the body and reaches its target cell