1. A contagious disease, one that can be passed from person to person
INFECTIOUS DISEASE
A contagious disease, one that can be passed from person to person

2. Chain of Infection Bacteria Protozoa Virus Fungi Worms Prions
Anyone who has little resistance to the pathogen
Animal
Human
Plant
Pathogen
at risk
Host
Indirect -droplet, animal or insect bites, toothbrush, food or water
body opening
body opening
Eyes, ears, nose, mouth, anus, vagina, urethra, penis, digestive system, break in the skin
Eyes, ears, nose, mouth, anus, vagina, urethra, penis, digestive system, break in the skin
CONTACT
Direct - body fluids, saliva, blood mucus, semen, vaginal fluid

3. Bacteria - kill with antibiotics
BREAKING THE LINKS
AGENT
HOST
Bacteria - kill with antibiotics
Isolate (stay home and rest)
SUSCEPTIBLE HOST
Vaccines, low stress lifestyle, healthy diet, proper sleep, exercise, wash your hands

4. METHOD OF TRANSMISSION
PLACE OF ENTRY
PLACE OF EXIT
Band-aid
condom
WASH YOUR HANDS
COVER OPENING mouth, penis, wound, etc.
METHOD OF TRANSMISSION
Don’t share personal items, body fluids, food or drinks