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Journal Articles Virology Journal Year : 2021

Investigation of astrovirus, coronavirus and paramyxovirus co-infections in bats in the western Indian Ocean

Abstract

Co-infections have a key role in virus transmission in wild reservoir hosts. We investigated the simultaneous presence of astroviruses, coronaviruses, and paramyxoviruses in bats from Madagascar, Mayotte, Mozambique, and Reunion Island. A total of 871 samples from 28 bat species representing 8 families were tested by polymerase chain reactions (PCRs) targeting the RNA-dependent RNA-polymerase genes. Overall, 2.4% of bats tested positive for the presence of at least two viruses, only on Madagascar and in Mozambique. Significant variation in the proportion of co-infections was detected among bat species, and some combinations of co-infection were more common than others. Our findings support that co-infections of the three targeted viruses occur in bats in the western Indian Ocean region, although further studies are needed to assess their epidemiological consequences.

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Virology
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hal-03703044 , version 1 (23-06-2022)

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Axel O G Hoarau, Steven M Goodman, Dana Al Halabi, Beza Ramasindrazana, Erwan Lagadec, et al.. Investigation of astrovirus, coronavirus and paramyxovirus co-infections in bats in the western Indian Ocean. Virology Journal, 2021, 18, pp.205. ⟨10.1186/s12985-021-01673-2⟩. ⟨hal-03703044⟩
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