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communicable disease

A disease that can spread from one person, or animal, to another.

kuh-MYOO-nih-kuh-bul dih-ZEEZ noun

What it means

An infectious disease that passes from a source to a new host, by direct contact, droplets, the air, contaminated objects, food or water, blood, or insects. Examples are influenza, tuberculosis, measles, HIV and COVID-19. Some are reportable: the law requires that cases be reported to the health department.

For the nurse

Use the right precautions for how the disease spreads, teach clients how to protect others, and report reportable diseases as policy directs.

At a glance

Spanishenfermedad transmisible
Also writtencommunicable diseases

Related terms

infectious disease

An illness caused by a germ such as a bacterium, virus, fungus or parasite.

incubation period

The time between catching an infection and the first symptoms.

mandatory reporting

A legal duty to report certain things, such as suspected abuse or some diseases, to the proper authorities.

communicable

Able to be passed from one person, or animal, to another.

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