Detection of SARS-CoV-2 in Terrestrial Animals in Southern Nigeria: Potential Cases of Reverse Zoonosis

Since SARS-CoV-2 caused the COVID-19 pandemic, records have suggested the occurrence of reverse zoonosis of pets and farm animals in contact with SARS-CoV-2-positive humans in the Occident. However, there is little information on the spread of the virus among animals in contact with humans in Africa...

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Main Authors: Anise N. Happi, Akeemat O. Ayinla, Olusola A. Ogunsanya, Ayotunde E. Sijuwola, Femi M. Saibu, Kazeem Akano, Uwem E. George, Adebayo E. Sopeju, Peter M. Rabinowitz, Kayode K. Ojo, Lynn K. Barrett, Wesley C. Van Voorhis, Christian T. Happi
Format: Article
Language:English
Published: MDPI AG 2023-05-01
Series:Viruses
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Online Access:https://www.mdpi.com/1999-4915/15/5/1187
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author Anise N. Happi
Akeemat O. Ayinla
Olusola A. Ogunsanya
Ayotunde E. Sijuwola
Femi M. Saibu
Kazeem Akano
Uwem E. George
Adebayo E. Sopeju
Peter M. Rabinowitz
Kayode K. Ojo
Lynn K. Barrett
Wesley C. Van Voorhis
Christian T. Happi
author_facet Anise N. Happi
Akeemat O. Ayinla
Olusola A. Ogunsanya
Ayotunde E. Sijuwola
Femi M. Saibu
Kazeem Akano
Uwem E. George
Adebayo E. Sopeju
Peter M. Rabinowitz
Kayode K. Ojo
Lynn K. Barrett
Wesley C. Van Voorhis
Christian T. Happi
author_sort Anise N. Happi
collection DOAJ
description Since SARS-CoV-2 caused the COVID-19 pandemic, records have suggested the occurrence of reverse zoonosis of pets and farm animals in contact with SARS-CoV-2-positive humans in the Occident. However, there is little information on the spread of the virus among animals in contact with humans in Africa. Therefore, this study aimed to investigate the occurrence of SARS-CoV-2 in various animals in Nigeria. Overall, 791 animals from Ebonyi, Ogun, Ondo, and Oyo States, Nigeria were screened for SARS-CoV-2 using RT-qPCR (<i>n</i> = 364) and IgG ELISA (<i>n</i> = 654). SARS-CoV-2 positivity rates were 45.9% (RT-qPCR) and 1.4% (ELISA). SARS-CoV-2 RNA was detected in almost all animal taxa and sampling locations except Oyo State. SARS-CoV-2 IgGs were detected only in goats from Ebonyi and pigs from Ogun States. Overall, SARS-CoV-2 infectivity rates were higher in 2021 than in 2022. Our study highlights the ability of the virus to infect various animals. It presents the first report of natural SARS-CoV-2 infection in poultry, pigs, domestic ruminants, and lizards. The close human–animal interactions in these settings suggest ongoing reverse zoonosis, highlighting the role of behavioral factors of transmission and the potential for SARS-CoV-2 to spread among animals. These underscore the importance of continuous monitoring to detect and intervene in any eventual upsurge.
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spelling doaj.art-d8fba1ab04614563a792615afc39ffc52023-11-18T03:40:14ZengMDPI AGViruses1999-49152023-05-01155118710.3390/v15051187Detection of SARS-CoV-2 in Terrestrial Animals in Southern Nigeria: Potential Cases of Reverse ZoonosisAnise N. Happi0Akeemat O. Ayinla1Olusola A. Ogunsanya2Ayotunde E. Sijuwola3Femi M. Saibu4Kazeem Akano5Uwem E. George6Adebayo E. Sopeju7Peter M. Rabinowitz8Kayode K. Ojo9Lynn K. Barrett10Wesley C. Van Voorhis11Christian T. Happi12African Centre of Excellence for Genomics of Infectious Diseases, Redeemer’s University, Ede 23210, Osun State, NigeriaAfrican Centre of Excellence for Genomics of Infectious Diseases, Redeemer’s University, Ede 23210, Osun State, NigeriaAfrican Centre of Excellence for Genomics of Infectious Diseases, Redeemer’s University, Ede 23210, Osun State, NigeriaAfrican Centre of Excellence for Genomics of Infectious Diseases, Redeemer’s University, Ede 23210, Osun State, NigeriaAfrican Centre of Excellence for Genomics of Infectious Diseases, Redeemer’s University, Ede 23210, Osun State, NigeriaAfrican Centre of Excellence for Genomics of Infectious Diseases, Redeemer’s University, Ede 23210, Osun State, NigeriaAfrican Centre of Excellence for Genomics of Infectious Diseases, Redeemer’s University, Ede 23210, Osun State, NigeriaAfrican Centre of Excellence for Genomics of Infectious Diseases, Redeemer’s University, Ede 23210, Osun State, NigeriaCenter for One Health Research, Department of Environmental and Occupational Health Sciences, University of Washington, Seattle, WA 98109, USADepartment of Medicine, Division of Allergy and Infectious Diseases, Center for Emerging and Re-Emerging Infectious Diseases (CERID), University of Washington School of Medicine, Seattle, WA 98109, USADepartment of Medicine, Division of Allergy and Infectious Diseases, Center for Emerging and Re-Emerging Infectious Diseases (CERID), University of Washington School of Medicine, Seattle, WA 98109, USADepartment of Medicine, Division of Allergy and Infectious Diseases, Center for Emerging and Re-Emerging Infectious Diseases (CERID), University of Washington School of Medicine, Seattle, WA 98109, USAAfrican Centre of Excellence for Genomics of Infectious Diseases, Redeemer’s University, Ede 23210, Osun State, NigeriaSince SARS-CoV-2 caused the COVID-19 pandemic, records have suggested the occurrence of reverse zoonosis of pets and farm animals in contact with SARS-CoV-2-positive humans in the Occident. However, there is little information on the spread of the virus among animals in contact with humans in Africa. Therefore, this study aimed to investigate the occurrence of SARS-CoV-2 in various animals in Nigeria. Overall, 791 animals from Ebonyi, Ogun, Ondo, and Oyo States, Nigeria were screened for SARS-CoV-2 using RT-qPCR (<i>n</i> = 364) and IgG ELISA (<i>n</i> = 654). SARS-CoV-2 positivity rates were 45.9% (RT-qPCR) and 1.4% (ELISA). SARS-CoV-2 RNA was detected in almost all animal taxa and sampling locations except Oyo State. SARS-CoV-2 IgGs were detected only in goats from Ebonyi and pigs from Ogun States. Overall, SARS-CoV-2 infectivity rates were higher in 2021 than in 2022. Our study highlights the ability of the virus to infect various animals. It presents the first report of natural SARS-CoV-2 infection in poultry, pigs, domestic ruminants, and lizards. The close human–animal interactions in these settings suggest ongoing reverse zoonosis, highlighting the role of behavioral factors of transmission and the potential for SARS-CoV-2 to spread among animals. These underscore the importance of continuous monitoring to detect and intervene in any eventual upsurge.https://www.mdpi.com/1999-4915/15/5/1187SARS-CoV-2domestic animalsnon-domestic animalsreverse zoonosissurveillanceNigeria
spellingShingle Anise N. Happi
Akeemat O. Ayinla
Olusola A. Ogunsanya
Ayotunde E. Sijuwola
Femi M. Saibu
Kazeem Akano
Uwem E. George
Adebayo E. Sopeju
Peter M. Rabinowitz
Kayode K. Ojo
Lynn K. Barrett
Wesley C. Van Voorhis
Christian T. Happi
Detection of SARS-CoV-2 in Terrestrial Animals in Southern Nigeria: Potential Cases of Reverse Zoonosis
Viruses
SARS-CoV-2
domestic animals
non-domestic animals
reverse zoonosis
surveillance
Nigeria
title Detection of SARS-CoV-2 in Terrestrial Animals in Southern Nigeria: Potential Cases of Reverse Zoonosis
title_full Detection of SARS-CoV-2 in Terrestrial Animals in Southern Nigeria: Potential Cases of Reverse Zoonosis
title_fullStr Detection of SARS-CoV-2 in Terrestrial Animals in Southern Nigeria: Potential Cases of Reverse Zoonosis
title_full_unstemmed Detection of SARS-CoV-2 in Terrestrial Animals in Southern Nigeria: Potential Cases of Reverse Zoonosis
title_short Detection of SARS-CoV-2 in Terrestrial Animals in Southern Nigeria: Potential Cases of Reverse Zoonosis
title_sort detection of sars cov 2 in terrestrial animals in southern nigeria potential cases of reverse zoonosis
topic SARS-CoV-2
domestic animals
non-domestic animals
reverse zoonosis
surveillance
Nigeria
url https://www.mdpi.com/1999-4915/15/5/1187
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