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Related to swine influenza: avian influenza
an acute respiratory disease of swine caused by strains of influenza virus type A; it is believed to have become adapted to swine in the United States during the great human pandemic in 1918; fatal cases, as in such cases of pandemic influenza in humans, are commonly associated with secondary bacterial pneumonia.
Farlex Partner Medical Dictionary © Farlex 2012
Acute respiratory viral infection of humans that may pigs as a reservoir; may lead to secondary bacterial pneumonia.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
Any of several influenza A viruses that primarily infects cells that line the respiratory tracts of pigs. It can spread to humans or birds when a pig is infected with more than one strain of influenza at the same time and the nucleic acids from the separate species mix, forming a new, potentially dangerous combination. Synonym: swine flu
See also: influenza
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