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Bailón-Cuenca JA, Cortés-Sarabia K, Legorreta-Soberanis J, Alvarado-Castro VM, Juárez-Baltazar U, Sánchez-Gervacio BM, Vences-Velázquez A, Leyva-Vázquez MA, Del Moral-Hernández O, Illades-Aguiar B. Detection of IgG antibodies against the receptor binding domain of the spike protein and nucleocapsid of SARS-CoV-2 at university students from Southern Mexico: a cross-sectional study. BMC Infect Dis 2024; 24:584. [PMID: 38867165 PMCID: PMC11170790 DOI: 10.1186/s12879-024-09435-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Accepted: 05/27/2024] [Indexed: 06/14/2024] Open
Abstract
BACKGROUND Natural infection and vaccination against SARS-CoV-2 is associated with the development of immunity against the structural proteins of the virus. Specifically, the two most immunogenic are the S (spike) and N (nucleocapsid) proteins. Seroprevalence studies performed in university students provide information to estimate the number of infected patients (symptomatic or asymptomatic) and generate knowledge about the viral spread, vaccine efficacy, and epidemiological control. Which, the aim of this study was to evaluate IgG antibodies against the S and N proteins of SARS-CoV-2 at university students from Southern Mexico. METHODS A total of 1418 serum samples were collected from eighteen work centers of the Autonomous University of Guerrero. Antibodies were detected by Indirect ELISA using as antigen peptides derived from the S and N proteins. RESULTS We reported a total seroprevalence of 39.9% anti-S/N (positive to both antigens), 14.1% anti-S and 0.5% anti-N. The highest seroprevalence was reported in the work centers from Costa Grande, Acapulco and Centro. Seroprevalence was associated with age, COVID-19, contact with infected patients, and vaccination. CONCLUSION University students could play an essential role in disseminating SARS-CoV-2. We reported a seroprevalence of 54.5% against the S and N proteins, which could be due to the high population rate and cultural resistance to safety measures against COVID-19 in the different regions of the state.
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Affiliation(s)
- Jesús Adolfo Bailón-Cuenca
- Laboratorio de Inmunobiología y Diagnóstico Molecular, Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Guerrero, Chilpancingo de los Bravo, Guerrero, México
- Laboratorio de Biomedicina Molecular, Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Guerrero, Chilpancingo de los Bravo, Guerrero, México
| | - Karen Cortés-Sarabia
- Laboratorio de Inmunobiología y Diagnóstico Molecular, Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Guerrero, Chilpancingo de los Bravo, Guerrero, México
| | - José Legorreta-Soberanis
- Centro de Investigación de Enfermedades Tropicales, Universidad Autónoma de Guerrero, Acapulco, Guerrero, México
| | | | - Ulises Juárez-Baltazar
- Laboratorio de Inmunobiología y Diagnóstico Molecular, Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Guerrero, Chilpancingo de los Bravo, Guerrero, México
| | | | - Amalia Vences-Velázquez
- Laboratorio de Inmunobiología y Diagnóstico Molecular, Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Guerrero, Chilpancingo de los Bravo, Guerrero, México
| | - Marco Antonio Leyva-Vázquez
- Laboratorio de Biomedicina Molecular, Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Guerrero, Chilpancingo de los Bravo, Guerrero, México
| | - Oscar Del Moral-Hernández
- Laboratorio de Virología, Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Guerrero. Chilpancingo de los Bravo, Guerrero, México.
| | - Berenice Illades-Aguiar
- Laboratorio de Biomedicina Molecular, Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Guerrero, Chilpancingo de los Bravo, Guerrero, México.
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de Souza Araújo AA, Quintans-Júnior LJ, Heimfarth L, Schimieguel DM, Corrêa CB, de Moura TR, Cavalcante RCM, Grespan R, de Souza Siqueira Quintans J, dos Santos DM, da Silva DN, de Oliveira YLM, de Franca MNF, da Conceição Silva M, de Sá DLF, de Carvalho FO, de Souza MF, de Oliveira Góes MA, Santos VS, Martins-Filho PR. Dynamics of SARS-CoV-2 seroprevalence during the first year of the COVID-19 pandemic in the Northeast region of Brazil. Pathog Glob Health 2023; 117:505-512. [PMID: 36094065 PMCID: PMC10262788 DOI: 10.1080/20477724.2022.2121366] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022] Open
Abstract
In this household-based seroepidemiological survey, we analyzed the dynamics of SARS-CoV-2 seroprevalence during the first year of the COVID-19 pandemic in Sergipe State, Northeast Brazil, the poorest region of the country. A total of 16,547 individuals were tested using a rapid IgM-IgG antibody test and fluorescence immunoassay (FIA). Seroprevalence rates were presented according to age, sex, and geographic region. A comparative analysis was performed between the results obtained in July 2020 (peak of the first wave), August - November 2020 (end of the first wave), and February - March 2021 (beginning of the second wave). Seroprevalence rates in the three phases were estimated at 9.3% (95% CI 8.5-10.1), 12.0% (95% CI 11.2-12.9) and 15.4% (95% CI 14.5-16.4). At the end of the first wave, there was a rise in seroprevalence in the countryside (p < 0.001). At the beginning of the second wave, we found an increase in seroprevalence among women (p < 0.001), adults aged 20 to 59 years (p < 0.001), and the elderly (p < 0.001). In this phase, we found an increase in estimates both in metropolitan areas and in the countryside (p < 0.001). This study showed an increase in SARS-CoV-2 seroprevalence over the first year of the pandemic, with approximately one in six people having anti-SARS-CoV-2 antibodies at the beginning of the second wave of COVID-19. Furthermore, our results suggest a rapid spread of COVID-19 from metropolitan areas to the countryside during the first months of the pandemic.
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Affiliation(s)
- Adriano Antunes de Souza Araújo
- Department of Pharmacy, Federal University of Sergipe, São Cristóvão, Sergipe, Brazil
- Health Sciences Graduate Program, Federal University of Sergipe, Aracaju, Sergipe, Brazil
- Graduate Program in Pharmaceutical Sciences, Federal University of Sergipe, São Cristóvão, Sergipe, Brazil
| | - Lucindo José Quintans-Júnior
- Health Sciences Graduate Program, Federal University of Sergipe, Aracaju, Sergipe, Brazil
- Graduate Program in Pharmaceutical Sciences, Federal University of Sergipe, São Cristóvão, Sergipe, Brazil
- Department of Physiology, Federal University of Sergipe, São Cristóvão, Sergipe, Brazil
| | - Luana Heimfarth
- Health Sciences Graduate Program, Federal University of Sergipe, Aracaju, Sergipe, Brazil
| | - Dulce Marta Schimieguel
- Department of Pharmacy, Federal University of Sergipe, São Cristóvão, Sergipe, Brazil
- Graduate Program in Pharmaceutical Sciences, Federal University of Sergipe, São Cristóvão, Sergipe, Brazil
| | - Cristiane Bani Corrêa
- Health Sciences Graduate Program, Federal University of Sergipe, Aracaju, Sergipe, Brazil
- Department of Morphology, Federal University of Sergipe, São Cristóvão, Sergipe, Brazil
| | - Tatiana Rodrigues de Moura
- Health Sciences Graduate Program, Federal University of Sergipe, Aracaju, Sergipe, Brazil
- Department of Morphology, Federal University of Sergipe, São Cristóvão, Sergipe, Brazil
| | | | - Renata Grespan
- Department of Physiology, Federal University of Sergipe, São Cristóvão, Sergipe, Brazil
- Graduate Program in Physiological Sciences, Federal University of Sergipe, São Cristóvão, Sergipe, Brazil
| | - Jullyana de Souza Siqueira Quintans
- Health Sciences Graduate Program, Federal University of Sergipe, Aracaju, Sergipe, Brazil
- Department of Physiology, Federal University of Sergipe, São Cristóvão, Sergipe, Brazil
| | | | - Danilo Nobre da Silva
- Health Sciences Graduate Program, Federal University of Sergipe, Aracaju, Sergipe, Brazil
| | | | | | | | - Darla Lorena Freitas de Sá
- Graduate Program in Pharmaceutical Sciences, Federal University of Sergipe, São Cristóvão, Sergipe, Brazil
| | | | | | - Marco Aurélio de Oliveira Góes
- Government of Sergipe State, State Health Department, Aracaju, Sergipe, Brazil
- Department of Medicine, Federal University of Sergipe, Lagarto, Sergipe, Brazil
| | - Victor Santana Santos
- Health Sciences Graduate Program, Federal University of Sergipe, Aracaju, Sergipe, Brazil
- Department of Medicine, Federal University of Sergipe, Lagarto, Sergipe, Brazil
| | - Paulo Ricardo Martins-Filho
- Health Sciences Graduate Program, Federal University of Sergipe, Aracaju, Sergipe, Brazil
- Investigative Pathology Laboratory, Federal University of Sergipe, Aracaju, Sergipe, Brazil
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3
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Figueiredo GM, Tengan FM, Campos SR, Luna EJ. Seroprevalence of SARS-CoV-2 in Brazil: A systematic review and meta-analysis. Clinics (Sao Paulo) 2023; 78:100233. [PMID: 37348256 DOI: 10.1016/j.clinsp.2023.100233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/10/2022] [Revised: 04/19/2023] [Accepted: 06/01/2023] [Indexed: 06/24/2023] Open
Abstract
OBJECTIVES To summarize the data on SARS-CoV-2 seroprevalence surveys conducted in Brazil before the introduction of vaccines METHODS: The authors conducted a systematic review and meta-analysis on the seroprevalence of SARS-CoV-2 infection in Brazil. The present review followed the PRISMA guidelines. The authors searched Medline, Embase, and LILACS databases for serologic surveys conducted in the Brazilian population, in the period from 01/10/2019 to 07/11/2021, without language restrictions. The authors included studies that presented data concerning SARS-CoV-2 antibodies seroprevalence in Brazil and had a sample size ≥50 individuals. Considering the expected heterogeneity between studies, all analyses were performed using the random effects model, and heterogeneity was assessed using the I2 statistic RESULTS: Of 586 publications identified in the initial searches, 54 were included in the review and meta-analysis, which contained the results of 135 surveys, with 336,620 participants. The estimated seroprevalence was 11.0%, ranging from 1.0% to 83.0%, with a substantial heterogeneity (I2 = 99.55%). In subgroup analyses, the authors observed that the prevalence of SARS-CoV-2 antibodies was 13.0% in blood donors, 9.0% in the population-based surveys, 13% in schoolchildren, and 11.0% in healthcare workers. CONCLUSIONS Seroprevalence increases over time. Large differences were observed among the regions of the country. It was higher in the Northern region, decreasing towards the South. The present results may contribute to the analysis of the spread of SARS-CoV-2 infection in the Brazilian population before vaccination, one of the factors that may be influencing the clinical presentation of COVID-19 cases related to the new variants, as well as the effectiveness of the vaccination program.
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Affiliation(s)
- Gerusa Maria Figueiredo
- Departamento de Medicina Preventiva da Faculdade de Medicina da Universidade de São Paulo, São Paulo, SP, Brazil.
| | - Fátima Mitiko Tengan
- Departamento de Moléstias Infecciosas e Parasitarias da Faculdade de Medicina da Universidade de São Paulo, São Paulo, SP, Brazil.
| | - Sergio Roberto Campos
- Departamento de Medicina Preventiva da Faculdade de Medicina da Universidade de São Paulo, São Paulo, SP, Brazil.
| | - Expedito José Luna
- Departamento de Medicina Preventiva da Faculdade de Medicina da Universidade de São Paulo, São Paulo, SP, Brazil.
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Schwalb A, Armyra E, Méndez-Aranda M, Ugarte-Gil C. COVID-19 in Latin America and the Caribbean: Two years of the pandemic. J Intern Med 2022; 292:409-427. [PMID: 35411985 PMCID: PMC9115176 DOI: 10.1111/joim.13499] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Worldwide, nations have struggled during the coronavirus disease 2019 (COVID-19) pandemic. However, Latin America and the Caribbean faced an unmatched catastrophic toll. As of March 2022, the region has reported approximately 15% of cases and 28% of deaths worldwide. Considering the relatively late arrival of SARS-CoV-2, several factors in the region were determinants of the humanitarian crisis that ensued. Pandemic unpreparedness, fragile healthcare systems, forthright inequalities, and poor governmental support facilitated the spread of the virus throughout the region. Moreover, reliance on repurposed and ineffective drugs such as hydroxychloroquine and ivermectin-to treat or prevent COVID-19-was publicised through misinformation and created a false sense of security and poor adherence to social distancing measures. While there were hopes that herd immunity could be achieved after the region's disastrous first peak, the emergence of the Gamma, Lambda, and Mu variants made this unattainable. This review explores how Latin America and the Caribbean fared during the first 2 years of the pandemic, and how, despite all the challenges, the region became a global leader in COVID-19 vaccination, with 63% of its population fully vaccinated.
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Affiliation(s)
- Alvaro Schwalb
- Instituto de Medicina Tropical Alexander von Humboldt, Universidad Peruana Cayetano Heredia, Lima, Peru.,London School of Hygiene and Tropical Medicine, London, UK
| | - Eleonora Armyra
- Health Innovation Lab, Instituto de Medicina Tropical Alexander von Humboldt, Universidad Peruana Cayetano Heredia, Lima, Peru
| | - Melissa Méndez-Aranda
- Facultad de Ciencias y Filosofía, Laboratorio de Investigación en Enfermedades Infecciosas, Universidad Peruana Cayetano Heredia, Lima, Peru
| | - César Ugarte-Gil
- Instituto de Medicina Tropical Alexander von Humboldt, Universidad Peruana Cayetano Heredia, Lima, Peru.,London School of Hygiene and Tropical Medicine, London, UK.,School of Medicine, Universidad Peruana Cayetano Heredia, Lima, Peru
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5
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de Lima Silva N, Nobre D, Alves de Oliveira J, Santos Rezende M, da Conceição dos Santos JT, de Souza Araújo AA, Quintans-Júnior LJ, Marques Cavalcante RC, de Souza Ferreira LC, Martins-Filho PR, Schimieguel DM. Kinetics of humoral immune response in patients with asymptomatic or mild COVID-19: a longitudinal study based in an in-house indirect ELISA method. EXCLI JOURNAL 2022; 21:1167-1170. [PMID: 36381645 PMCID: PMC9650694 DOI: 10.17179/excli2022-5337] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Accepted: 08/23/2022] [Indexed: 01/24/2023]
Affiliation(s)
- Nathanielly de Lima Silva
- Department of Pharmacy, Laboratory of Hematology, Federal University of Sergipe, São Cristóvão, Sergipe, Brazil,Graduate Program in Pharmaceutical Sciences, Federal University of Sergipe, Aracaju, Sergipe, Brazil
| | - Danilo Nobre
- Department of Pharmacy, Laboratory of Hematology, Federal University of Sergipe, São Cristóvão, Sergipe, Brazil
| | - Joyceane Alves de Oliveira
- Department of Pharmacy, Laboratory of Hematology, Federal University of Sergipe, São Cristóvão, Sergipe, Brazil,Graduate Program in Pharmaceutical Sciences, Federal University of Sergipe, Aracaju, Sergipe, Brazil
| | - Márcia Santos Rezende
- Department of Pharmacy, Laboratory of Hematology, Federal University of Sergipe, São Cristóvão, Sergipe, Brazil,Graduate Program in Pharmaceutical Sciences, Federal University of Sergipe, Aracaju, Sergipe, Brazil
| | - Joyce Thayane da Conceição dos Santos
- Department of Pharmacy, Laboratory of Hematology, Federal University of Sergipe, São Cristóvão, Sergipe, Brazil,Graduate Program in Pharmaceutical Sciences, Federal University of Sergipe, Aracaju, Sergipe, Brazil
| | - Adriano Antunes de Souza Araújo
- Department of Pharmacy, Laboratory of Hematology, Federal University of Sergipe, São Cristóvão, Sergipe, Brazil,Graduate Program in Pharmaceutical Sciences, Federal University of Sergipe, Aracaju, Sergipe, Brazil,Graduate Program in Health Sciences, Federal University of Sergipe, Aracaju, Sergipe, Brazil
| | - Lucindo José Quintans-Júnior
- Graduate Program in Pharmaceutical Sciences, Federal University of Sergipe, Aracaju, Sergipe, Brazil,Graduate Program in Health Sciences, Federal University of Sergipe, Aracaju, Sergipe, Brazil,Laboratory of Neuroscience and Pharmacological Assays (LANEF), Federal University of Sergipe, São Cristóvão, Sergipe, Brazil
| | | | | | | | - Dulce Marta Schimieguel
- Department of Pharmacy, Laboratory of Hematology, Federal University of Sergipe, São Cristóvão, Sergipe, Brazil,Graduate Program in Pharmaceutical Sciences, Federal University of Sergipe, Aracaju, Sergipe, Brazil,*To whom correspondence should be addressed: Dulce Marta Schimieguel, Departamento de Farmácia, Laboratório de Hematologia, Universidade Federal de Sergipe, São Cristóvão, Sergipe, Brasil, CEP: 49100-000, E-mail:
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6
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Martins-Filho PR, da Silva DN, dos Santos DM, Rezende MS, Silva JPR, da Silva Neto JB, Schimieguel DM, Quintans-Júnior LJ, Quintans JDSS, Nunes PS, de Souza Araújo AA. Seroprevalence of SARS-CoV-2 antibodies in radio and television workers. EXCLI JOURNAL 2022; 21:269-272. [PMID: 35221843 PMCID: PMC8859642 DOI: 10.17179/excli2021-4545] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Accepted: 12/21/2021] [Indexed: 11/06/2022]
Abstract
We investigated the seroprevalence of SARS-CoV-2 antibodies in individuals working in radio and television stations (TV) in Sergipe state, Northeast Brazil. This cross-sectional study was conducted from December 1 to December 20, 2020, a period which was considered as the beginning of the second wave of COVID-19 in the state. One hundred and thirteen professionals from the three largest media companies in the state were included in this study. Venous blood was collected using venipuncture and a fluorescence immunoassay for qualitative detection and differentiation of IgM and IgG antibodies against SARS-CoV-2 was performed. Twenty-eight media workers had detectable levels of SARS-CoV-2 antibodies (11 IgM+, 6 IgM+/ IgG+, and 11 IgG+) and the estimated seroprevalence was 24.8 % (95 % CI 17.7 - 33.5). Our findings showed a high seroprevalence of SARS-CoV-2 antibodies in radio and TV workers during the second wave of COVID-19 in Brazil.
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Affiliation(s)
- Paulo Ricardo Martins-Filho
- Investigative Pathology Laboratory, Federal University of Sergipe, Aracaju, Sergipe, Brazil,Health Sciences Graduate Program, Federal University of Sergipe, Aracaju, Sergipe, Brazil,*To whom correspondence should be addressed: Paulo Ricardo Martins-Filho, Universidade Federal de Sergipe, Hospital Universitário, Laboratório de Patologia Investigativa. Rua Cláudio Batista, s/n. Sanatório. Aracaju, Sergipe, Brasil, CEP: 49060-108, E-mail:
| | - Danilo Nobre da Silva
- Graduate Program in Pharmaceutical Sciences, Federal University of Sergipe, São Cristóvão, Sergipe, Brazil
| | | | - Márcia Santos Rezende
- Department of Pharmacy, Federal University of Sergipe, São Cristóvão, Sergipe, Brazil
| | - Jessica Paloma Rosa Silva
- Graduate Program in Applied Health Sciences, Federal University of Sergipe, Lagarto, Sergipe, Brazil
| | | | - Dulce Marta Schimieguel
- Graduate Program in Pharmaceutical Sciences, Federal University of Sergipe, São Cristóvão, Sergipe, Brazil,Department of Pharmacy, Federal University of Sergipe, São Cristóvão, Sergipe, Brazil
| | - Lucindo José Quintans-Júnior
- Health Sciences Graduate Program, Federal University of Sergipe, Aracaju, Sergipe, Brazil,Graduate Program in Pharmaceutical Sciences, Federal University of Sergipe, São Cristóvão, Sergipe, Brazil
| | | | - Paula Santos Nunes
- Health Sciences Graduate Program, Federal University of Sergipe, Aracaju, Sergipe, Brazil
| | - Adriano Antunes de Souza Araújo
- Health Sciences Graduate Program, Federal University of Sergipe, Aracaju, Sergipe, Brazil,Graduate Program in Pharmaceutical Sciences, Federal University of Sergipe, São Cristóvão, Sergipe, Brazil,Department of Pharmacy, Federal University of Sergipe, São Cristóvão, Sergipe, Brazil
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