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Molecular epidemiology of human bocavirus infection in hospitalized children with acute gastroenteritis in South Africa, 2009‐2015
Author(s) -
Netshikweta Rembuluwani,
Chidamba Lizyben,
Nadan Sandrama,
Taylor Maureen B.,
Page Nicola A.
Publication year - 2020
Publication title -
journal of medical virology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.782
H-Index - 121
eISSN - 1096-9071
pISSN - 0146-6615
DOI - 10.1002/jmv.25634
Subject(s) - human bocavirus , epidemiology , virology , odds ratio , diarrhea , genotyping , medicine , coinfection , sapovirus , acute gastroenteritis , genotype , respiratory tract infections , biology , virus , norovirus , respiratory system , biochemistry , gene
Abstract Human bocavirus (HBoV) is known to be associated with a variety of clinical manifestation including acute gastroenteritis (AGE). Despite their global prevalence, no data is available on the epidemiology of HBoV associated with AGE in South Africa (SA). Between April 2009 and April 2015, 3765 stool specimens were collected from children less than 5 years of age hospitalized with diarrhea. Specimens were screened for selected enteric viruses by enzyme immunoassay and quantitative polymerase chain reaction, bacteria by culture and parasites by staining and microscopy. HBoV was detected in 5.63% (212 of 3765) of cases, the majority of which were children ≤2 years (92%, 195 of 212), and were common in the summer and autumn months (60%; 128 of 212). Further investigations of coinfections showed that bacteria (adjusted odds ratio [aOR] = 2.20; 95% confidence interval [CI], 1.41‐3.45; P  = .001) and sapovirus (aOR = 2.05; 95% CI, 1.08‐3.86; P  = .027) were significantly associated with HBoV in multivariate analysis. HBoV genotyping was successful in 191 of the 212 samples with HBoV‐1 being the most prevalent genotype observed (79.6%; 152 of 191) followed by HBoV‐3 (13.6%; 26 of 191), HBoV‐2 (5.2%; 10 of 191), and HBoV‐4 (1.6%; 3 of 191). The high prevalence of HBoV‐1, a virus known to be associated with respiratory infections, and the association between HBoV‐positive specimens and already established AGE agents, suggests that HBoV may play a limited role in the observed AGE cases in SA.

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