Johns Hopkins ABX Guide
Parainfluenza virus
Parainfluenza virus is a topic covered in the Johns Hopkins ABX Guide.
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MICROBIOLOGY
- RNA enveloped (single strand, negative sense) virus w/ 5 antigenically distinct types: human parainfluenza virus types hPIV, hPIV-1, hPIV-2, hPIV-3, hPIV-4A/4B.
- Viruses are members of the paramyxovirus family with two different genera:
- hPIV-1 and hPIV-3 belong to the Respirovirus genus.
- HPIV-1: cause of croup in children with a tendency to see more cases in the fall season of odd-numbered years.
- HPIV-3: cause of respiratory infections year-round, especially when HPIV-1 and HPIV-2 are not especially active, but more often seen in spring and early summer.
- hPIV-2 and hPIV-4 belong to the Rubulavirus genus.
- hPIV-2: cause of croup in children, less common than hPIV-1 or hPIV-3, most cases seen in fall yearly.
- hPIV-4: patterns are not as well characterized.
- hPIV-1 and hPIV-3 belong to the Respirovirus genus.
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MICROBIOLOGY
- RNA enveloped (single strand, negative sense) virus w/ 5 antigenically distinct types: human parainfluenza virus types hPIV, hPIV-1, hPIV-2, hPIV-3, hPIV-4A/4B.
- Viruses are members of the paramyxovirus family with two different genera:
- hPIV-1 and hPIV-3 belong to the Respirovirus genus.
- HPIV-1: cause of croup in children with a tendency to see more cases in the fall season of odd-numbered years.
- HPIV-3: cause of respiratory infections year-round, especially when HPIV-1 and HPIV-2 are not especially active, but more often seen in spring and early summer.
- hPIV-2 and hPIV-4 belong to the Rubulavirus genus.
- hPIV-2: cause of croup in children, less common than hPIV-1 or hPIV-3, most cases seen in fall yearly.
- hPIV-4: patterns are not as well characterized.
- hPIV-1 and hPIV-3 belong to the Respirovirus genus.
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Last updated: August 8, 2022
Citation
Auwaerter, Paul G. "Parainfluenza Virus." Johns Hopkins ABX Guide, The Johns Hopkins University, 2022. Johns Hopkins Guides, www.hopkinsguides.com/hopkins/view/Johns_Hopkins_ABX_Guide/540415/all/Parainfluenza_virus.
Auwaerter PG. Parainfluenza virus. Johns Hopkins ABX Guide. The Johns Hopkins University; 2022. https://www.hopkinsguides.com/hopkins/view/Johns_Hopkins_ABX_Guide/540415/all/Parainfluenza_virus. Accessed March 21, 2023.
Auwaerter, P. G. (2022). Parainfluenza virus. In Johns Hopkins ABX Guide. The Johns Hopkins University. https://www.hopkinsguides.com/hopkins/view/Johns_Hopkins_ABX_Guide/540415/all/Parainfluenza_virus
Auwaerter PG. Parainfluenza Virus [Internet]. In: Johns Hopkins ABX Guide. The Johns Hopkins University; 2022. [cited 2023 March 21]. Available from: https://www.hopkinsguides.com/hopkins/view/Johns_Hopkins_ABX_Guide/540415/all/Parainfluenza_virus.
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