| Term | Definition |
| Malaria | A protozoan parasite called a Plamodium, causing shivering and fever form the Anopheles mosquito. |
| Chlamydia | A bacterial STD that is transmitted by anal, oral, or vaginal sex causing pain in the genitals. |
| Whooping Cough | Bordetella pertussis bacteria causing coughing spasms leads to gasping for air; vaccine exists. |
| Polio | A viral disease caused by eating infected food or water; causes paralysis, but prevented by the vaccines. |
| Mononucleosis | Epstein-Barr virus causes this disease with extreme fatigue, headache, sore throat, and enlarged spleen. |
| Hantavirus | Caused by a virus transmitted by aerosolized urine and feces or rodents; can lead to death. |
| Meningococcemia | Neisseria bacteria which attacks the brain, transmitted by droplets causing death; a vaccine exists. |
| AIDS | A serious viral disease damaging the CD4 immune system, passed by bodily fluids or mom to child. |
| Ebola | Level 4 filovirus due to its high fatality known for its massive bleeding; spread by contact; no vaccine. |
| Tuberculosis | A bacterial disease spread through the air to the lungs or elsewhere; bloody cough and night sweats. |
| EEE | A virus from mosquitoes who bite birds, then horses and humans; causing encephalitis, coma, or in some death. |
| SARS | Respiratory disease caused by a coronavirus like a cold; infects lungs and possible death. |
| Herpes | A viral disease that has sores on the mouth and/or genitals; contracted by skin contact; Valtrex treatment. |
| Influenza | A viral disease causing cough, fever, and death of 1000s in U.S. per year; 2 types of vaccine in the prevention. |
| Strep Throat | A bacterial disease of the throat or skin caused by eating away of fascia; caused by group A. |
| HPV | This viral STD is the most common in the world; causes warts and sometimes cervical cancer. |
| CJD | A rare prion disease causing build up in the brain; from meat, transplanted brain tissue, genetics. |
| Lyme | A bacterium, Borrelia Burgforferi, transmitted by deer ticks; bulls-eye rash; treated with antibiotics. |
| Tetanus | A bacillus bacteria, spread through dirt causing nervous system, problems, and possible death; DPT vaccine. |
| Cholera | An acute diarrheal illness from water or food; rapid diarrhea must be stopped with an IV of fluids and salts. |
| MRSA | A bacterium found on skin and in nose that can cause death; only Vancomycin or surgery will stop it. |
| Gonorrhea | A bacterial STD causing burning on urination or swollen testicles or discharge from penis. |
| Histoplasmosis | A fungal disease in 3 forms found in bird and bat droppings inhaled affecting the lungs. |
| West Nile | A flavivirus transmitted by mosquitoes causing fever, possible encephalitis and death; no treatment. |