Host - An organism that harbors a parasite or another organism where there is a symbiotic relationship between the two organisms. In some cases, the relationship is commensal, or mutually beneficial, but in the case of a parasite and host, the host may be hurt by the parasite's presence.⏎
Mortality - The number of deaths in a given time or place.⏎
Morbidity - The relative occurrence of a disease or a condition that causes illness.⏎
Intravenous - The use of veins through which medications and solutions are administered.⏎
Immunization - The process of strengthening the body’s defense against a particular infectious agent, often accomplished by receiving a vaccine.⏎