microorganisms that are part of the normal flora of the body and are beneficial in maintaining certain body processes.
a process that destroys all microorganisms, including spores and viruses (example: chemicals, radiation, gas)
one-celled microorganisms, some of which are beneficial and some of which cause disease (tuberculosis, pertussis, strep throat)
These are one-celled animal-like organisms often found in decayed materials animal or bird feces, insect bites and contaminated water, pathogenic and cause diseases such as malaria and aftrican sleeping sickness
These are simple, plant-like organisms that live on dead organic matter. Yeast and mold are two common forms that can be pathogenic. They cause diseases such as ringworm, athletes foot and thrush
These are parasitic microorganisms, which means they cannot live outside the cells of another living organism . They are found in fleas , lice, ticks and mites.
These are the smallest microorganisms, visible only using an electron microscope.
They cannot reproduce unless they are inside another living cell. They are spread by blood and body secretions.
They are difficult to kill by disinfectants and they are not affected by antibiotics. They may cause diseases such as chicken pox, herpes, influenza
PPE (Personal Protective Equipment)
A barrier between a person and pathogens; includes gloves, gowns, masks, goggles, and face shields.
The pathogen responsible for causing an infection; also called the infectious agent.
anything (a person or animal or plant or substance) in which an infectious agent normally lives and multiplies
portal of exit
a way for the causative agent to be released from the reservoir (urine, feces, saliva, blood, tears, mucous discharge, draining wounds: in the body)
mode of transmission
way in which it can be transmitted to another reservoir or host where it can live