an animal, plant, or other organism that lives on or in another animal or plant and feeds from it.
Parasite
a disease you can get from the bite of a particular kind of mosquito.
Malaria
an extremely small agent that causes disease.
Virus
- a disease that can affect the nervous system.
polio
- a feeling or change in your body that shows you have a disease.
Symptom
to make someone with a disease healthy again.
cure
- a disease in which the body cannot control sugar levels in the blood.
diabetes
to give medicine to or do other things to make a sick person healthy.
treat
