Predominance of Human Bocavirus Genotypes 1 and 2 in Oysters in Thailand.

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  • Additional Information
    • Source:
      Publisher: American Society for Microbiology Country of Publication: United States NLM ID: 7605801 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1098-5336 (Electronic) Linking ISSN: 00992240 NLM ISO Abbreviation: Appl Environ Microbiol Subsets: MEDLINE
    • Publication Information:
      Original Publication: Washington, American Society for Microbiology.
    • Subject Terms:
      Human bocavirus/*isolation & purification ; Parvoviridae Infections/*virology; Animals ; Food Contamination/analysis ; Foodborne Diseases/epidemiology ; Foodborne Diseases/virology ; Gastroenteritis/epidemiology ; Gastroenteritis/virology ; Genotype ; Human bocavirus/classification ; Human bocavirus/genetics ; Humans ; Ostreidae/virology ; Parvoviridae Infections/epidemiology ; Phylogeny ; Seasons ; Thailand/epidemiology
    • Abstract:
      Human bocavirus (HBoV) has been recognized as an important pathogen that causes respiratory infection and acute gastroenteritis in young children worldwide. HBoV is most likely transmitted by the respiratory route and by fecal-oral transmission. Recently, HBoV has been detected in several types of environmental water and in bivalve shellfish. However, study of the existence of HBoV in oysters is still undocumented in Thailand. In this study, 144 oyster samples collected from different markets in Chiang Mai, Thailand, in 2017 and 2018 were investigated for the presence of HBoV by nested PCR and sequencing. HBoV was detected in 11 out of 144 samples (7.6%). Nine HBoV-positive samples (81.8%) were identified as genotype 1 (HBoV1) and two (18.2%) as HBoV2. A monthly investigation of HBoV in oyster samples from July 2017 to June 2018 showed that HBoV was sporadically detected in particular months spanning the rainy and colder season, with a peak in January. This study demonstrates the presence and genotype diversity of HBoV in oyster samples in Thailand. The findings contribute to evaluating the risk of foodborne transmission of HBoV and to monitoring outbreaks of HBoV in Thailand and in other countries. IMPORTANCE Human bocavirus is recognized as an important cause of respiratory infection and of acute gastroenteritis in children worldwide. Human bocavirus has been widely detected in many clinical specimens, as well as in several types of environmental samples. Most previous studies describe the incidence of bocavirus infection in humans, whereas few data are available for the occurrence of human bocavirus in food materials, particularly that in bivalve shellfish. Our findings provide evidence for the existence and prevalence of human bocavirus in oysters, suggesting that further monitoring of the potential risk of food- and waterborne transmission of this virus to humans should be undertaken.
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    • Contributed Indexing:
      Keywords: PCR; Thailand; foodborne transmission; genotype; human bocavirus; oysters
    • Publication Date:
      Date Created: 20210528 Date Completed: 20210928 Latest Revision: 20220128
    • Publication Date:
      20231215
    • Accession Number:
      PMC8315168
    • Accession Number:
      10.1128/AEM.00456-21
    • Accession Number:
      34047634