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A viral hepatitis that is either acute or chronic, caused by an RNA virus and occurring either simultaneously with acute hepatitis B or as a superinfection in chronic hepatitis B. It is transmitted primarily by exposure to infected blood or blood products and is most prevalent in tropical and subtropical areas of the Mediterranean basin.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.