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infectious disease in Medicine

infectious disease

n.
  1. A disease resulting from the presence and activity of a pathogenic microbial agent.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

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infectious disease in Science

infectious disease

  1. A disease caused by a microorganism or other agent, such as a bacterium, fungus, or virus, that enters the body of an organism.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.