Microbe - Sometimes referred to as a microorganism, a microbe is an organism that is microscopic and thus invisible to the naked eye. ⏎
Habitat - The specific geographical area or physical environment that is inhabited by an organism or a population of organisms.⏎
Morbidity - The relative occurrence of a disease or a condition that causes illness.⏎
Immunization - The process of strengthening the body’s defense against a particular infectious agent, often accomplished by receiving a vaccine.⏎