Journal
VIROLOGY JOURNAL
Volume 18, Issue 1, Pages -Publisher
BMC
DOI: 10.1186/s12985-021-01673-2
Keywords
Madagascar; Mozambique; Triaenops menamena; Triaenops afer; Multiple infections
Categories
Funding
- Pathogenes associes a la Faune Sauvage ocean Indien (FS-OI) program
- Leptospirose ocean Indien (LeptOI) program
- Paramyxovirus ocean Indien (ParamyxOI) program
- Partenariat Mozambique-Reunion dans la recherche en sante: pour une approche integree d'etude des maladies infectieuses a risque epidemique (MoZaR) program
- VIROPTERE (INTERREG V ocean Indien) program
- Ministere de l'Enseignement superieur, de la Recherche et de l'Innovation PhD fellowship
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Co-infections of astroviruses, coronaviruses, and paramyxoviruses were detected in bats from Madagascar and Mozambique, with significant variation in the proportion of co-infections among bat species. Certain combinations of co-infections were more common than others, indicating the complexity of virus transmission in wild reservoir hosts.
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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