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Human bocavirus, coronavirus, and polyomavirus detected among patients hospitalised with severe acute respiratory illness in South Africa, 2012 to 2013
Subramoney, K Hellferscee, O Pretorius, M Tempia, S McMorrow, M von Gottberg, A Wolter, N Variava, E Dawood, H Kahn, K
Subramoney, K
Hellferscee, O
Pretorius, M
Tempia, S
McMorrow, M
von Gottberg, A
Wolter, N
Variava, E
Dawood, H
Kahn, K
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Abstract
Aim
To investigate the prevalence of human bocavirus (hBoV), human coronaviruses (hCoV), and human polyomaviruses (hPyV) among patients with severe acute respiratory illness (SARI), in South Africa.
Methods
The study included 680 South African patients randomly selected in age-defined categories from hospitalised patients enrolled through SARI surveillance during 2012 to 2013. A multiplex reverse transcription real-time polymerase chain reaction assay was used to detect hBoV; hCoV-OC43, hCoV-229E, hCoV-NL63, and hCoV-HKU1; and Washington University hPyV (hPyV-WU) and Karolinska Insitute hPyV (hPyV-KI), in respiratory tract specimens collected from patients with SARI. All respiratory specimens from patients enrolled through SARI surveillance were also routinely tested by multiplex reverse transcription real-time polymerase chain reaction for adenovirus; enterovirus; human metapneumovirus; parainfluenza virus types 1, 2, and 3; respiratory syncytial virus; rhinovirus; influenza A, and influenza B.
Results
Human bocavirus, hCoV-229E, and hPyV-WU were detected in 3.7% (25/680), 4.1% (28/680), and 4.1% (28/680) of respiratory specimens, respectively. All other viruses were detected in <2% of specimens. Rhinovirus was the most common coinfecting virus (21.4%-60.7%), followed by adenovirus (21.4%-39.3%), and respiratory syncytial virus (10.7%-24.0%). Testing for the additional viruses (hBoV, hCoV, and hPyV) decreased the number of specimens that initially tested negative by 2.9% (20/680).
Conclusion
Inclusion of laboratory tests for hBoV, hCoV-229E, and hPyV-WU in differential testing algorithms for surveillance and diagnostics for suspected cases of respiratory illness of unknown cause may improve our understanding of the etiology of SARI, especially in a country like South Africa with a high number of immune compromised persons.
Description
Date
2018-07-18
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Publisher
Wiley
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Keywords
South Africa,human bocavirus,human coronavirus,human polyomavirus,respiratory tract infections
Citation
Subramoney K, Hellferscee O, Pretorius M, Tempia S, McMorrow M, von Gottberg A, Wolter N, Variava E, Dawood H, Kahn K, Walaza S, Madhi SA, Cohen C, Venter M, Treurnicht FK. Human bocavirus, coronavirus, and polyomavirus detected among patients hospitalised with severe acute respiratory illness in South Africa, 2012 to 2013. Health Science Reports. 2018;1(8):e59. DOI: https://doi.org/10.1002/hsr2.59.