Animals can carry diseases that are harmful to people. Here is a list of animals and the diseases they may carry.

| Disease | Symptoms | Carrier |
|---|---|---|
| Bubonic plague | Painful swelling, high fever, body aches | Rat, flea |
| Elephantiasis | Rough, thickened skin, body swelling | Worms |
| Lyme disease | Rash, fatigue, muscle and joint pain | Deer tick |
| Malaria | Chills, weakness, fever, excessive perspiration | Mosquito |
| Plague typhus | Fever, skin rashes | Flea, lice, chipmunk, prairie dog, squirrel |
| Rabies | Headaches, muscle spasms, convulsions | Woodchuck, bat, raccoons |
| Rocky Mountain spotted fever | Chills, fever, rash, leg pain | Wood tick |
| Sleeping sickness | Attacks nervous system; results in prolonged sleep | Tsetse fly |
| Trichinosis | Vomiting, fever, pain, face swelling | Worms in pigs |



