SARS-CoV-2 Infection in Ivory Coast: A Serosurveillance Survey among Gold Mine Workers

Milleliri, Jean‐Marie; Coulibaly, Daouda; Nyobe, Blaise; Rey, J.-L.; Lamontagne, Franck; Hocqueloux, Laurent; Giachè, Susanna; Valéry, Antoine; Prazuck, Thiérry

doi:10.4269/ajtmh.21-0081

Cited by 31 publications

(22 citation statements)

References 8 publications

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“…data, https://doi.org/10.1101/2020.08.04.20168112 ). Similarly, seroprevalence was 40% in public sector patients in Cape Town, South Africa ( 14 ), 12.3% among asymptomatic healthcare workers in Blantyre, Malawi ( 12 ), and 25.1% among gold mine workers in Côte d’Ivoire ( 15 ). In Addis Ababa, Ethiopia, seroprevalence among those reporting no close contact with SARS-CoV-2 infected persons was 8.8% in April 2020 (B.N.…”

Section: Discussionmentioning

confidence: 99%

Seroprevalence of Severe Acute Respiratory Syndrome Coronavirus 2 IgG in Juba, South Sudan, 20201

Wiens¹,

Mawien²,

Rumunu³

et al. 2021

Emerg. Infect. Dis.

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G lobally, >100 million cases and >2.6 million deaths had been attributed to coronavirus disease (COVID-19) as of March 14, 2021 (1). Most cases have been reported in Europe and the Americas. In Africa, >2.9 million cases and ≈75,000 deaths have been reported (1). Reasons for the lower reported incidence and death associated with COVID-19 in Africa during the fi rst 6-8 months of the pandemic are unclear but may include differences in age distribution, immune history, climate, early mitigation measures, and epidemiologic connectivity between geographic regions (2,3). However, our understanding of the true spread of severe acute respiratory virus coronavirus 2 (SARS-CoV-2) has been obscured by limited testing capabilities, underreported deaths, and undetected mild or asymptomatic infections (4). Populationbased serological surveys, hundreds of which have been conducted worldwide, can help shed light on the extent of this underestimation of SARS-CoV-2 infections (5,6). As of March 18, 2021, only 16 studies published or available in preprint had been conducted in sub-Saharan Africa (7)(8)(9)(10)(11)(12)(13)(14)(15)(16) H. Majiya et al., unpub. data,

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Section: Discussionmentioning

confidence: 99%

Seroprevalence of Severe Acute Respiratory Syndrome Coronavirus 2 IgG in Juba, South Sudan, 20201

Wiens¹,

Mawien²,

Rumunu³

et al. 2021

Emerg. Infect. Dis.

View full text Add to dashboard Cite

show abstract

“…Studies among blood donors in Kenya and South Africa from April to June 2020 report anti-SARS-CoV-2-IgG seroprevalence of, respectively, 4.5% nationally [17] and 60% among South African black populations, seven times that of in-country white populations [18]. Two studies reported SARS-CoV-2-IgG positivity of 23.7% in workers of low socio-economic status in Cape Town, South Africa [19], and 25.1% in gold mine workers and administrative staff in Ivory Coast [20]. These studies collected blood samples between April and October 2020 during the first wave of the COVID-19 spread throughout the continent, with the second wave largely peaking around December 2020 [21].…”

Section: Introductionmentioning

confidence: 99%

What Could Explain the Lower COVID-19 Burden in Africa despite Considerable Circulation of the SARS-CoV-2 Virus?

Wamai

Hirsch

Damme

et al. 2021

IJERPH

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The differential spread and impact of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), causing Coronavirus Disease 2019 (COVID-19), across regions is a major focus for researchers and policy makers. Africa has attracted tremendous attention, due to predictions of catastrophic impacts that have not yet materialized. Early in the pandemic, the seemingly low African case count was largely attributed to low testing and case reporting. However, there is reason to consider that many African countries attenuated the spread and impacts early on. Factors explaining low spread include early government community-wide actions, population distribution, social contacts, and ecology of human habitation. While recent data from seroprevalence studies posit more extensive circulation of the virus, continuing low COVID-19 burden may be explained by the demographic pyramid, prevalence of pre-existing conditions, trained immunity, genetics, and broader sociocultural dynamics. Though all these prongs contribute to the observed profile of COVID-19 in Africa, some provide stronger evidence than others. This review is important to expand what is known about the differential impacts of pandemics, enhancing scientific understanding and gearing appropriate public health responses. Furthermore, it highlights potential lessons to draw from Africa for global health on assumptions regarding deadly viral pandemics, given its long experience with infectious diseases.

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“…Studies among blood donors in Kenya and in South Africa from April to June 2020 report anti-SARS-CoV-2 IgG seroprevalence of, respectively, 4.5% nationally 17 and 60% among South African black populations, seven times that of in-country white populations 18 . Two studies reported SARS-CoV-2-IgG positivity of 23.7% in workers of low socio-economic status in Cape Town, South Africa 19 and 25.1% in gold mine workers and administrative staff in Ivory Coast 20 . These studies collected blood samples between April and October 2020, during the first wave of COVID-19 spread throughout the continent, with the second wave largely peaking around December 2020 21 .…”

Section: Introductionmentioning

confidence: 99%

What Could Explain the Lower COVID-19 Burden in Africa Despite Considerable Circulation of the SARS-CoV-2 Virus?

Wamai

Hirsch

Damme

et al. 2021

Preprint

View full text Add to dashboard Cite

COVID-19 differential spread and impacts across regions is a major focus for researchers and policy makers. Africa has attracted tremendous attention due to predictions of catastrophic impacts that have not yet materialized. Early in the pandemic, the seemingly low African case count was largely attributed to low testing and case reporting. However, there is also reason to consider that many African countries got out ahead of the virus early on. Factors explaining low spread include early government mandated lockdowns, community-wide actions, population distribution, social contacts, and ecology of human habitation. While recent data from seroprevalence studies posit more extensive circulation of the virus, continuing low COVID-19 burden may be explained by the demographic pyramid, prevalence of pre-existing conditions, trained immunity, genetics, and broader sociocultural dynamics. Though all these prongs contribute to the observed profile of COVID-19 in Africa, some provide stronger evidence than others. This review is important to expand what is known about the differential impacts of pandemics enhancing scientific understanding and gearing appropriate public health responses. Also, highlighting potential lessons the world may draw from Africa for global health on assumptions regarding deadly viral pandemics given its long experience with infectious diseases.

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SARS-CoV-2 Infection in Ivory Coast: A Serosurveillance Survey among Gold Mine Workers

Abstract: Of the 107 million COVID-19 cases worldwide, less than 2 million have been reported in African countries. The aim of this study was to evaluate the seroprevalence of SARS-CoV-2 infection in Ivory Coast mine workers.

Cited by 31 publications

References 8 publications

Seroprevalence of Severe Acute Respiratory Syndrome Coronavirus 2 IgG in Juba, South Sudan, 20201

Seroprevalence of Severe Acute Respiratory Syndrome Coronavirus 2 IgG in Juba, South Sudan, 20201

What Could Explain the Lower COVID-19 Burden in Africa despite Considerable Circulation of the SARS-CoV-2 Virus?

What Could Explain the Lower COVID-19 Burden in Africa Despite Considerable Circulation of the SARS-CoV-2 Virus?

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