Longitudinal Survey of Coronavirus Circulation and Diversity in Insectivorous Bat Colonies in Zimbabwe

Background: Studies have linked bats to outbreaks of viral diseases in human populations such as SARS-CoV-1 and MERS-CoV and the ongoing SARS-CoV-2 pandemic. Methods: We carried out a longitudinal survey from August 2020 to July 2021 at two sites in Zimbabwe with bat–human interactions: Magweto cave...

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Main Authors: Vimbiso Chidoti, Hélène De Nys, Valérie Pinarello, Getrude Mashura, Dorothée Missé, Laure Guerrini, Davies Pfukenyi, Julien Cappelle, Ngoni Chiweshe, Ahidjo Ayouba, Gift Matope, Martine Peeters, Elizabeth Gori, Mathieu Bourgarel, Florian Liégeois
Format: Article
Language:English
Published: MDPI AG 2022-04-01
Series:Viruses
Subjects:
Online Access:https://www.mdpi.com/1999-4915/14/4/781
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author Vimbiso Chidoti
Hélène De Nys
Valérie Pinarello
Getrude Mashura
Dorothée Missé
Laure Guerrini
Davies Pfukenyi
Julien Cappelle
Ngoni Chiweshe
Ahidjo Ayouba
Gift Matope
Martine Peeters
Elizabeth Gori
Mathieu Bourgarel
Florian Liégeois
author_facet Vimbiso Chidoti
Hélène De Nys
Valérie Pinarello
Getrude Mashura
Dorothée Missé
Laure Guerrini
Davies Pfukenyi
Julien Cappelle
Ngoni Chiweshe
Ahidjo Ayouba
Gift Matope
Martine Peeters
Elizabeth Gori
Mathieu Bourgarel
Florian Liégeois
author_sort Vimbiso Chidoti
collection DOAJ
description Background: Studies have linked bats to outbreaks of viral diseases in human populations such as SARS-CoV-1 and MERS-CoV and the ongoing SARS-CoV-2 pandemic. Methods: We carried out a longitudinal survey from August 2020 to July 2021 at two sites in Zimbabwe with bat–human interactions: Magweto cave and Chirundu farm. A total of 1732 and 1866 individual bat fecal samples were collected, respectively. Coronaviruses and bat species were amplified using PCR systems. Results: Analysis of the coronavirus sequences revealed a high genetic diversity, and we identified different sub-viral groups in the <i>Alphacoronavirus</i> and <i>Betacoronavirus</i> genus. The established sub-viral groups fell within the described <i>Alphacoronavirus</i> sub-genera: <i>Decacovirus</i>, <i>Duvinacovirus</i>, <i>Rhinacovirus</i>, <i>Setracovirus</i> and <i>Minunacovirus</i> and for <i>Betacoronavirus</i> sub-genera: <i>Sarbecoviruses</i>, <i>Merbecovirus</i> and <i>Hibecovirus</i>. Our results showed an overall proportion for CoV positive PCR tests of 23.7% at Chirundu site and 16.5% and 38.9% at Magweto site for insectivorous bats and <i>Macronycteris gigas</i>, respectively. Conclusions: The higher risk of bat coronavirus exposure for humans was found in December to March in relation to higher viral shedding peaks of coronaviruses in the parturition, lactation and weaning months of the bat populations at both sites. We also highlight the need to further document viral infectious risk in human/domestic animal populations surrounding bat habitats in Zimbabwe.
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spelling doaj.art-029e15d3ab234ce084c6a27fe021d5502023-12-03T14:04:21ZengMDPI AGViruses1999-49152022-04-0114478110.3390/v14040781Longitudinal Survey of Coronavirus Circulation and Diversity in Insectivorous Bat Colonies in ZimbabweVimbiso Chidoti0Hélène De Nys1Valérie Pinarello2Getrude Mashura3Dorothée Missé4Laure Guerrini5Davies Pfukenyi6Julien Cappelle7Ngoni Chiweshe8Ahidjo Ayouba9Gift Matope10Martine Peeters11Elizabeth Gori12Mathieu Bourgarel13Florian Liégeois14Faculty of Veterinary Science, University of Zimbabwe, Harare P.O. Box MP 167, ZimbabweASTRE, CIRAD, INRAE, University of Montpellier, 34980 Montpellier, FranceFaculty of Veterinary Science, University of Zimbabwe, Harare P.O. Box MP 167, ZimbabweFaculty of Veterinary Science, University of Zimbabwe, Harare P.O. Box MP 167, ZimbabweMIVEGEC, University of Montpellier, IRD, CNRS, 34394 Montpellier, FranceASTRE, CIRAD, INRAE, University of Montpellier, 34980 Montpellier, FranceFaculty of Veterinary Science, University of Zimbabwe, Harare P.O. Box MP 167, ZimbabweASTRE, CIRAD, INRAE, University of Montpellier, 34980 Montpellier, FranceCIRAD, UMR ASTRE, Harare, ZimbabweTransVIHMI, University of Montpellier, IRD, Inserm, 34394 Montpellier, FranceFaculty of Veterinary Science, University of Zimbabwe, Harare P.O. Box MP 167, ZimbabweTransVIHMI, University of Montpellier, IRD, Inserm, 34394 Montpellier, FranceFaculty of Veterinary Science, University of Zimbabwe, Harare P.O. Box MP 167, ZimbabweASTRE, CIRAD, INRAE, University of Montpellier, 34980 Montpellier, FranceFaculty of Veterinary Science, University of Zimbabwe, Harare P.O. Box MP 167, ZimbabweBackground: Studies have linked bats to outbreaks of viral diseases in human populations such as SARS-CoV-1 and MERS-CoV and the ongoing SARS-CoV-2 pandemic. Methods: We carried out a longitudinal survey from August 2020 to July 2021 at two sites in Zimbabwe with bat–human interactions: Magweto cave and Chirundu farm. A total of 1732 and 1866 individual bat fecal samples were collected, respectively. Coronaviruses and bat species were amplified using PCR systems. Results: Analysis of the coronavirus sequences revealed a high genetic diversity, and we identified different sub-viral groups in the <i>Alphacoronavirus</i> and <i>Betacoronavirus</i> genus. The established sub-viral groups fell within the described <i>Alphacoronavirus</i> sub-genera: <i>Decacovirus</i>, <i>Duvinacovirus</i>, <i>Rhinacovirus</i>, <i>Setracovirus</i> and <i>Minunacovirus</i> and for <i>Betacoronavirus</i> sub-genera: <i>Sarbecoviruses</i>, <i>Merbecovirus</i> and <i>Hibecovirus</i>. Our results showed an overall proportion for CoV positive PCR tests of 23.7% at Chirundu site and 16.5% and 38.9% at Magweto site for insectivorous bats and <i>Macronycteris gigas</i>, respectively. Conclusions: The higher risk of bat coronavirus exposure for humans was found in December to March in relation to higher viral shedding peaks of coronaviruses in the parturition, lactation and weaning months of the bat populations at both sites. We also highlight the need to further document viral infectious risk in human/domestic animal populations surrounding bat habitats in Zimbabwe.https://www.mdpi.com/1999-4915/14/4/781bat coronavirus (Bt CoVs)human–bat interactiongenetic diversityreproductive phenologyZimbabwe
spellingShingle Vimbiso Chidoti
Hélène De Nys
Valérie Pinarello
Getrude Mashura
Dorothée Missé
Laure Guerrini
Davies Pfukenyi
Julien Cappelle
Ngoni Chiweshe
Ahidjo Ayouba
Gift Matope
Martine Peeters
Elizabeth Gori
Mathieu Bourgarel
Florian Liégeois
Longitudinal Survey of Coronavirus Circulation and Diversity in Insectivorous Bat Colonies in Zimbabwe
Viruses
bat coronavirus (Bt CoVs)
human–bat interaction
genetic diversity
reproductive phenology
Zimbabwe
title Longitudinal Survey of Coronavirus Circulation and Diversity in Insectivorous Bat Colonies in Zimbabwe
title_full Longitudinal Survey of Coronavirus Circulation and Diversity in Insectivorous Bat Colonies in Zimbabwe
title_fullStr Longitudinal Survey of Coronavirus Circulation and Diversity in Insectivorous Bat Colonies in Zimbabwe
title_full_unstemmed Longitudinal Survey of Coronavirus Circulation and Diversity in Insectivorous Bat Colonies in Zimbabwe
title_short Longitudinal Survey of Coronavirus Circulation and Diversity in Insectivorous Bat Colonies in Zimbabwe
title_sort longitudinal survey of coronavirus circulation and diversity in insectivorous bat colonies in zimbabwe
topic bat coronavirus (Bt CoVs)
human–bat interaction
genetic diversity
reproductive phenology
Zimbabwe
url https://www.mdpi.com/1999-4915/14/4/781
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