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“The
purpose of medicine is to prevent significant disease, to
decrease pain and to postpone death... Technology has
to support these goals-if not, it may even be
counterproductive.” Dr.
Joel J. Nobel
An infectious disease is a
clinically evident
disease of
humans or animals that damages or injures the host
so as to impair host function, and results from the presence
and activity of one or more pathogenic
microbial
agents,
including
viruses,
bacteria,
fungi,
protozoa,
multicellular
parasites,
and aberrant proteins known as
prions.
Transmission
of an infectious disease may occur through several pathways;
including through contact with infected individuals, by water,
food, airborne inhalation, or through
vector-borne
spread.
Source:
Wikipedia
