Mucous Membrane - The moist linings of body passages and internal cavities involved with absorption and secretion of substances.⏎
Morbidity - The relative occurrence of a disease or a condition that causes illness.⏎
Institute of Medicine - An independent, nonprofit organization that works outside of government to provide unbiased and authoritative advice on health and medicine to decision makers and the public.⏎
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.⏎