Neutralising antibodies against SARS-CoV-2 give important information on Covid-19 epidemic evolution in Rabat, Morocco, March 2020-February 2021.
Afr Health Sci
; 23(3): 400-405, 2023 Sep.
Article
en En
| MEDLINE
| ID: mdl-38357173
ABSTRACT
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 14. High positive NAbs titers were defined when ≥ 132.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 116 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.Palabras clave
Texto completo:
1
Colección:
01-internacional
Base de datos:
MEDLINE
Asunto principal:
SARS-CoV-2
/
COVID-19
Límite:
Humans
País/Región como asunto:
Africa
Idioma:
En
Revista:
Afr Health Sci
Asunto de la revista:
MEDICINA
/
SERVICOS DE SAUDE
Año:
2023
Tipo del documento:
Article
País de afiliación:
Marruecos
Pais de publicación:
Uganda