Habitat - The specific geographical area or physical environment that is inhabited by an organism or a population of organisms.⏎
Infection - The entry, establishment, and replication of pathogens inside a host organism.⏎
Intravenous - The use of veins through which medications and solutions are administered.⏎
Latent Infection - An infection that is currently not producing or showing any symptoms but has the potential of being reactivated and then manifesting symptoms.⏎
Germ Theory - A theory in medicine stating that microorganisms are the causative agents of infectious, contagious diseases.⏎