Intravenous - The use of veins through which medications and solutions are administered.⏎
Morbidity - The relative occurrence of a disease or a condition that causes illness.⏎
Germ Theory - A theory in medicine stating that microorganisms are the causative agents of infectious, contagious diseases.⏎
Infection - The entry, establishment, and replication of pathogens inside a host organism.⏎