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Garay E, Serrano-Coll H, Rivero R, Gastelbondo B, Faccini-Martínez Á, Berrocal J, Pérez A, Badillo M, Martínez-Bravo C, Botero Y, Arrieta G, Calderón A, Galeano K, López Y, Miranda J, Guzmán C, Contreras V, Arosemena A, Contreras H, Brango-Tarra E, Oviedo M, Mattar S. SARS-CoV-2 in eight municipalities of the Colombian tropics: high immunity, clinical and sociodemographic outcomes. Trans R Soc Trop Med Hyg 2021; 116:139-147. [PMID: 34185868 PMCID: PMC8344518 DOI: 10.1093/trstmh/trab094] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Revised: 05/19/2021] [Accepted: 06/11/2021] [Indexed: 12/26/2022] Open
Abstract
Background Serological evaluation of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is an alternative that allows us to determine the prevalence and dynamics of this infection in populations. The goal of this study was to determine the clinical and sociodemographic dynamics of SARS-CoV-2 infection in a region of the Colombian Caribbean. Methods Between July and November 2020, a cross-sectional observational study was carried out in Córdoba, located in northeast Colombia in the Caribbean area. Eight municipalities with the largest populations were chosen and 2564 blood samples were taken. A commercial enzyme-linked immunosorbent assay was used with the recombinant protein antigen N of SARS-CoV-2. The people included in the study were asked for sociodemographic and clinical data, which were analysed by statistical methods. Results A seroprevalence of 40.8% was obtained for SARS-CoV-2 in the Córdoba region. In the bivariate analysis, no differences were observed in seropositivity against SARS-CoV-2 for gender or age range (p>0.05). Higher seropositivity was found in low socio-economic status and symptomatic patients (p<0.0001). A total of 30.7% of the asymptomatic patients were seropositive for SARS-CoV-2, which could be linked to the spread of this infection. In the multivariate analysis, seroconversion was related to poverty and clinical manifestations such as anosmia and ageusia (p<0.05). Conclusions The high seropositivity in Córdoba is due to widespread SARS-CoV-2 in this population. The relationship between seropositivity and socio-economic status suggests a higher exposure risk to the virus caused by informal economic activities in low-income groups. Clinical manifestations such as anosmia and ageusia could be clinical predictors of infection by the new emergent coronavirus.
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Affiliation(s)
- Evelin Garay
- Instituto de Investigaciones Biológicas del Trópico, Colombia-Universidad de Córdoba, Montería, Colombia
| | - Héctor Serrano-Coll
- Instituto de Investigaciones Biológicas del Trópico, Colombia-Universidad de Córdoba, Montería, Colombia
| | - Ricardo Rivero
- Instituto de Investigaciones Biológicas del Trópico, Colombia-Universidad de Córdoba, Montería, Colombia
| | - Bertha Gastelbondo
- Instituto de Investigaciones Biológicas del Trópico, Colombia-Universidad de Córdoba, Montería, Colombia
| | - Álvaro Faccini-Martínez
- Instituto de Investigaciones Biológicas del Trópico, Colombia-Universidad de Córdoba, Montería, Colombia
| | - José Berrocal
- Instituto de Investigaciones Biológicas del Trópico, Colombia-Universidad de Córdoba, Montería, Colombia
| | - Alejandra Pérez
- Instituto de Investigaciones Biológicas del Trópico, Colombia-Universidad de Córdoba, Montería, Colombia
| | - María Badillo
- Instituto de Investigaciones Biológicas del Trópico, Colombia-Universidad de Córdoba, Montería, Colombia
| | - Caty Martínez-Bravo
- Instituto de Investigaciones Biológicas del Trópico, Colombia-Universidad de Córdoba, Montería, Colombia
| | - Yesica Botero
- Instituto de Investigaciones Biológicas del Trópico, Colombia-Universidad de Córdoba, Montería, Colombia
| | - Germán Arrieta
- Instituto de Investigaciones Biológicas del Trópico, Colombia-Universidad de Córdoba, Montería, Colombia.,Clínica Salud Social, Sincelejo, Sucre Colombia
| | - Alfonso Calderón
- Instituto de Investigaciones Biológicas del Trópico, Colombia-Universidad de Córdoba, Montería, Colombia
| | - Ketty Galeano
- Instituto de Investigaciones Biológicas del Trópico, Colombia-Universidad de Córdoba, Montería, Colombia
| | - Yesica López
- Instituto de Investigaciones Biológicas del Trópico, Colombia-Universidad de Córdoba, Montería, Colombia
| | - Jorge Miranda
- Instituto de Investigaciones Biológicas del Trópico, Colombia-Universidad de Córdoba, Montería, Colombia
| | - Camilo Guzmán
- Instituto de Investigaciones Biológicas del Trópico, Colombia-Universidad de Córdoba, Montería, Colombia
| | - Verónica Contreras
- Instituto de Investigaciones Biológicas del Trópico, Colombia-Universidad de Córdoba, Montería, Colombia
| | - Alejandra Arosemena
- Instituto de Investigaciones Biológicas del Trópico, Colombia-Universidad de Córdoba, Montería, Colombia
| | - Héctor Contreras
- Instituto de Investigaciones Biológicas del Trópico, Colombia-Universidad de Córdoba, Montería, Colombia
| | | | - Misael Oviedo
- Corporación Colombiana de Investigación Agropecuaria - Agrosavia, Centro de investigación Turipaná, Cereté, Córdoba, Colombia
| | - Salim Mattar
- Instituto de Investigaciones Biológicas del Trópico, Colombia-Universidad de Córdoba, Montería, Colombia
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