parainfluenza viruses
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Related to parainfluenza viruses: HPIV
par·a·in·flu·en·za vi·rus·es
viruses of the genus Paramyxovirus, of four types: type 1 (hemadsorption virus type 2), which includes sendai virus, causes acute laryngotracheitis in children and occasionally adults; type 2 (croup-associated virus) is associated especially with acute laryngotracheitis or croup in young children and minor upper respiratory infections in adults; type 3 (hemadsorption virus type 1; shipping fever virus) has been isolated from small children with pharyngitis, bronchiolitis, and pneumonia, and causes occasional respiratory infection in adults; bovine strains have been isolated from cattle with shipping fever, and the virus has also been isolated from sheep; type 4 has been isolated from a very few children with minor respiratory illness.
Farlex Partner Medical Dictionary © Farlex 2012
par·a·in·flu·en·za vi·rus·es
(par'ă-in-flū-en'ză vī'rŭs-ĕz)Viruses of the genus Paramyxovirus, of four types: type 1 (hemadsorption virus type 2), which includes Sendai virus, causes acute laryngotracheitis in children and occasionally adults; type 2 (croup-associated virus) is associated especially with acute laryngotracheitis or croup in young children and minor upper respiratory infections in adults; type 3 (hemadsorption virus type 1; shipping fever virus) has been isolated from small children with pharyngitis, bronchiolitis, and pneumonia, and causes occasional respiratory infection in adults; type 4 has been isolated from avery few children with minor respiratory illness.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
parainfluenza viruses
(pă-ră-ĭn-floo-ĕn′ză)A group of viruses that cause acute respiratory infections in humans, esp. in children. Virtually all children in the U.S. have been infected by age 6.
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