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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
medicine
Neutralising antibodies against SARS-CoV-2 give important information on Covid-19 epidemic evolution in Rabat, Morocco, March 2020-February 2021
African Health Sciences, Volume 23, No. 3, Year 2023
Notification
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Description
Background: The SARS-CoV-2 is an extremely contagious and acute viral disease mainly affecting humans. Objective: To estimate seroprevalence of SARS-CoV-2 neutralizing antibodies (NAbs) for illegible armed force individuals living in Rabat, Morocco Method: A convenience sample (N = 2662) was conducted from May 2020 to February 2021. We used the standard neutralization assay to quantify the NAbs titers. A serum was positive when the titer was 1:4. High positive NAbs titers were defined when ≥ 1:32. Results: Demographic and socioeconomic status did not affect seroprevalence data. An overall seroprevalence of 24,9% was found. Sera from blood donors, young recruits and auto-immune population had lower NAbs titers. However, titers were above 1:16 in 9% of the population with high risk of SARS-CoV-2 exposure. Seropositivity increased over time with values reaching peaks after the epidemic waves (2.4% in May 2020; 16.2% in August 2020; 22.7% in December 2020 and 37% in February 2021). Conclusion: And increase of NAbs was observed over time and correlated with the post-epidemic waves of COVID-19 in Morocco. © 2023 Touil N et al.
Authors & Co-Authors
Touil, Nadia
Morocco, Rabat
Hôpital Militaire D’instruction Mohammed V de Rabat
Morocco, Rabat
Mohammed V University in Rabat
Touzani, Charifa Drissi
Morocco, Rabat
Mohammed V University in Rabat
Benaissa, Elmostafa Mostapha
Morocco, Rabat
Mohammed V University in Rabat
Kasouati, Jalal
Morocco, Rabat
Mohammed V University in Rabat
Rhazzar, Zineb
Morocco, Rabat
Hôpital Militaire D’instruction Mohammed V de Rabat
El Annaz, Hicham
Morocco, Rabat
Hôpital Militaire D’instruction Mohammed V de Rabat
El Mrimar, Nadia
Morocco, Rabat
Hôpital Militaire D’instruction Mohammed V de Rabat
Abi, Rachid
Morocco, Rabat
Hôpital Militaire D’instruction Mohammed V de Rabat
El Kochri, Safae
Morocco, Rabat
Hôpital Militaire D’instruction Mohammed V de Rabat
Ducatez, Mariette F.
France, Toulouse
Interactions Hôtes-agents Pathogènes - Ihap
Akhouad, Youssouf
Morocco, Rabat
Hôpital Militaire D’instruction Mohammed V de Rabat
Reggad, Ahmed
Morocco, Rabat
Hôpital Militaire D’instruction Mohammed V de Rabat
Zrara, Abdelhamid
France, Toulouse
Interactions Hôtes-agents Pathogènes - Ihap
Bssaibis, Fatna
Morocco, Rabat
Mohammed V University in Rabat
El Fahime, Elmostafa
Morocco, Rabat
Unités D’appui Technique à la Recherche Scientifique Uatrs
Amine, Idriss Lahlou
Morocco, Rabat
Hôpital Militaire D’instruction Mohammed V de Rabat
Malik, Y. S.
India, Ludhiana
Guru Angad Dev Veterinary and Animal Sciences University
Élouennass, Mostafa
Morocco, Rabat
Mohammed V University in Rabat
Ennibi, Khalid
Morocco, Rabat
Hôpital Militaire D’instruction Mohammed V de Rabat
Statistics
Citations: 1
Authors: 19
Affiliations: 5
Identifiers
Doi:
10.4314/ahs.v23i3.46
ISSN:
16806905
Research Areas
Covid
Study Design
Cross Sectional Study
Study Locations
Morocco