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Tuberculosis


Tuberculosis (TB) is an infectious disease caused by a germ (bacterium) called
Mycobacterium tuberculosis. This germ primarily affects the lungs and may infect
anyone at any age.

In the United States, the number of TB cases steadily decreased until 1986 when
an increase was noted; TB has continued to rise since. Today, ten million
individuals are infected in the U.S., as evidenced by positive skin tests, with
approximately 26,000 new cases of active disease each year. The increase in TB
cases is related to HIV/AIDS, homelessness, drug abuse and immigration of
persons with active infections.

How is TB Contracted?

TB is a contagious or infectious disease that is spread from person-to- person.
A person is usually infected by inhaling the germs which have been sprayed into
the air by someone with the active disease who coughs.

However, inhaling the germ does not usually mean you will develop active disease.
A person's natural body defenses are usually able to control......

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Approximate Word Count: 1287
Approximate Pages: 6 (250 words per double-spaced page)

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