High and Rapid Increase in Seroprevalence for SARS-CoV-2 in Conakry, Guinea: Results From 3 Successive Cross-Sectional Surveys (ANRS COV16-ARIACOV) | Zendy

Abou Aissata Soumah | Zendy; Mamadou Saliou Kalifa Diallo | Zendy; Emilande Guichet | Zendy; David Maman | Zendy; Guillaume Thaurignac | Zendy; Alpha Kabinet Keïta | Zendy; Julie Bouillin | Zendy; Haby Diallo | Zendy; Raphaël Pelloquin | Zendy; Ahidjo Ayouba | Zendy; Cécé Kpamou | Zendy; Martine Peeters | Zendy; Éric Delaporte | Zendy; Jean-François Étard | Zendy; Abdoulaye Touré | Zendy

Open Access

High and Rapid Increase in Seroprevalence for SARS-CoV-2 in Conakry, Guinea: Results From 3 Successive Cross-Sectional Surveys (ANRS COV16-ARIACOV)

Author(s) -

Abou Aissata Soumah,

Mamadou Saliou Kalifa Diallo,

Emilande Guichet,

David Maman,

Guillaume Thaurignac,

Alpha Kabinet Keïta,

Julie Bouillin,

Haby Diallo,

Raphaël Pelloquin,

Ahidjo Ayouba,

Cécé Kpamou,

Martine Peeters,

Éric Delaporte,

Jean-François Étard,

Abdoulaye Touré

Publication year - 2022

Publication title -

open forum infectious diseases

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.546

H-Index - 35

ISSN - 2328-8957

DOI - 10.1093/ofid/ofac152

Subject(s) - seroprevalence , medicine , transmission (telecommunications) , cross sectional study , demography , covid-19 , cluster (spacecraft) , cluster sampling , capital city , environmental health , immunology , serology , antibody , population , geography , disease , pathology , programming language , economic geography , sociology , computer science , infectious disease (medical specialty) , electrical engineering , engineering

We conducted 3 successive seroprevalence surveys, 3 months apart, using multistage cluster sampling to measure the extent and dynamics of the severe acute respiratory syndrome coronavirus 2 epidemic in Conakry, the capital city of Guinea. Seroprevalence increased from 17.3% (95% CI, 12.4%–23.8%) in December 2020 during the first survey (S1) to 28.9% (95% CI, 25.6%–32.4%) in March/April 2021 (S2), then to 42.4% (95% CI, 39.5%–45.3%) in June 2021 (S3). This significant overall trend of increasing seroprevalence (P < .0001) was also significant in every age class, illustrating a sustained transmission within the whole community. These data may contribute to defining cost-effective response strategies.

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