Incubation Time - The period of time between exposure to an infectious agent and the appearance of symptoms of the infection or disease it causes.⏎
Mucous Membrane - The moist linings of body passages and internal cavities involved with absorption and secretion of substances.⏎
Immunization - The process of strengthening the body’s defense against a particular infectious agent, often accomplished by receiving a vaccine.⏎
Infection - The entry, establishment, and replication of pathogens inside a host organism.⏎
Latent Infection - An infection that is currently not producing or showing any symptoms but has the potential of being reactivated and then manifesting symptoms.⏎