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Vaccine: A substance when injected into the body can
stimulate resistance to a specific disease.
Venipuncture: Piercing a vein with a needle to obtain
blood samples or to administer medication or fluids.
Virus: A very small particle of
DNA or RNA that can
infect cells and change how the cells of the body function.
Infection with a virus can cause a person to develop symptoms.
The disease and symptoms that are caused depend on the type of
virus and the type of cells that are infected.
Vital: Necessary to maintain life. Breathing is a
vital function. |
