Orthomyxoviridae(redirected from orthomyxovirus)
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Related to orthomyxovirus: paramyxovirus
A family of negative-strand ribonucleic acid viruses characterized by enveloped, spherical, pleomorphic virions with a helical nucleocapsid containing a fragmented genome, it includes the genus Influenzavirus (human influenza type A).
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.