| A | B |
|---|
| Communicable Disease | Can be spread from person to person, object to person, or animal/insect to person which is caused by pathogens. |
| Pathogen | A disease causing organism. |
| Bacteria | Some are needed to help digestion but some may produce toxins. Examples are strep throat, food poisoning, chlamydia. |
| Virus | Smallest pathogen; reproduces itself 1000's of times; examples: HIV, polio. |
| Protozoa | Found in tropical areas; usually live in the bloodstream; examples: malaria |
| Fungi | Usually attack the skin; examples: ringworm, Athlete's foot |
| Rickettsia | Live in animals (lice, fleas, ticks, and mites) and attack blood vessels; Rocky Mountain Spotted Fever. |
| Parasitic Worms | usually infect intestines; examples: tapeworm, trinchinosis. |
| Local Infection | Located in one area of the body. |
| Generalized | An infection throughout the body. |
| Acute Infection | Lasting a short period of time. |
| Chronic | Stays in the host throughout a lifetime. |
| Body Defenses | Skin,Coughing/Sneezing, Mucus, Cilia, etc. |
| Pandemic | Occurring over a wide geographic area. |
| Epidemic | Affecting or tending to affect individuals in a geographic area. |
| Immunizations | Preparations given to a person to trigger the immune response. |
| Incubation stage | The time the pathogen enters the body until the first symptoms appear. |
| Prodromal stage | First symptoms of a disease. |
| Illness stage | The disease may be identified. |
| Recovery | A person is getting well. |
| Common Cold | Caused by a virus |
| Strep throat | Caused by a bacteria |
| Athletes foot and rigworm | Caused by a fungi |
| Malaria | Caused by a protozoa |
| Painful blister caused by a virus | Herpes |
| Painless sore | Chancre |
| Genital warts | HPV |
| HIV | Human Immunodeficiency virus |
