Examlex
If a set of data is perfectly symmetrical,the arithmetic mean must be identical to the median.
Vector
A living organism, such as an insect, that carries microorganisms from an infected person to another person.
Microorganisms
Tiny life forms such as bacteria, viruses, fungi, and protozoa that exist in virtually all environments on the planet.
Infection Cycle
A sequence of events that involve the spread of pathogens, from their source through a means of transmission, to a susceptible host.
Pathogen Established
Refers to the successful colonization and growth of a disease-causing microorganism within a host.
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