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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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Nieto-Rivera B, Saldaña-Ahuactzi Z, Parra-Ortega I, Flores-Alanis A, Carbajal-Franco E, Cruz-Rangel A, Galaviz-Hernández S, Romero-Navarro B, de la Rosa-Zamboni D, Salazar-García M, Contreras CA, Ortega-Riosvelasco F, López-Martínez I, Barrera-Badillo G, Diaz-Garcia H, Romo-Castillo M, Moreno-Espinosa S, Luna-Pineda VM. Frequency of respiratory virus-associated infection among children and adolescents from a tertiary-care hospital in Mexico City. Sci Rep 2023; 13:19763. [PMID: 37957308 PMCID: PMC10643542 DOI: 10.1038/s41598-023-47035-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Accepted: 11/08/2023] [Indexed: 11/15/2023] Open
Abstract
Acute respiratory infections (ARIs) are a major cause of morbidity and mortality among children. The causative pathogens show geographic and seasonal variations. We retrospectively evaluated the frequency and seasonality of respiratory pathogens in children and adolescents (age: 0-19 years) with ARIs treated between January 1, 2021, and March 31, 2022, at a single center in Mexico. Out of 2400 patients, 1,603 were diagnosed with SARS-CoV-2 infection and 797 were diagnosed with other common respiratory pathogens (CRPs). Of the 797 patients, 632 were infected with one CRP and 165 with > 2 CRPs. Deaths occurred only in SARS-CoV-2-infected patients. Rhinovirus/Enterovirus, respiratory syncytial virus B, and parainfluenza virus 3 were the most prevalent in cases with single and multiple infections. CRP showed a high frequency between autumn and winter of 2021, with higher incidence of hospitalization compared to COVID-19. The main comorbidities were immunosuppression, cardiovascular disease (CD), and asthma. The frequency of CRPs showed a downward trend throughout the first half of 2021. CRPs increased in single- and co-infection cases between the fourth and fifth waves of COVID-19, probably due to decreased nonpharmaceutical interventions and changes in diagnostic tests. Age, cyanosis (symptom), and immunosuppression (comorbidity) were found to differentiate between SARS-CoV-2 infection and CRP infection.
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Affiliation(s)
- Brenda Nieto-Rivera
- Departamento de Laboratorio Clínico, Hospital Infantil de México Federico Gómez, Ciudad de México, México
| | - Zeus Saldaña-Ahuactzi
- Centro de Investigación en Biotecnología Aplicada, Instituto Politécnico Nacional, Santa Inés Tecuexcomac, Tepetitla de Lardizábal, Tlaxcala, México
| | - Israel Parra-Ortega
- Departamento de Laboratorio Clínico, Hospital Infantil de México Federico Gómez, Ciudad de México, México
| | - Alejandro Flores-Alanis
- Departamento de Microbiología y Parasitología, Facultad de Medicina, Universidad Nacional Autónoma de México, Ciudad de México, México
| | - Ebzadrel Carbajal-Franco
- Departamento de Laboratorio Clínico, Hospital Infantil de México Federico Gómez, Ciudad de México, México
| | - Armando Cruz-Rangel
- Laboratorio de Bioquímica de Enfermedades Crónicas, Instituto Nacional de Medicina Genómica, Ciudad de México, México
| | | | - Benjamín Romero-Navarro
- Subdirección de Servicios Auxiliares de Diagnóstico, Hospital Infantil de México Federico Gómez, Ciudad de México, México
| | - Daniela de la Rosa-Zamboni
- Subdirección de Atención Integral al Paciente, Hospital Infantil de México Federico Gómez, Ciudad de México, México
| | - Marcela Salazar-García
- Laboratorio de Biología del Desarrollo y Teratogénesis Experimental, Hospital Infantil de México Federico Gómez, Ciudad de México, México
| | - Carmen A Contreras
- Facultad de Medicina, Universidad Privada Antenor Orrego, Trujillo, Peru
| | | | - Irma López-Martínez
- Dirección de Diagnóstico y Referencia, Instituto de Diagnóstico y Referencia Epidemiológicos, Ciudad de México, México
| | - Gisela Barrera-Badillo
- Laboratorio de Virus Respiratorios, Instituto de Diagnóstico y Referencia Epidemiológicos, Ciudad de México, México
| | - Hector Diaz-Garcia
- Centro de Investigación en Malformaciones Congénitas, Hospital Infantil de México Federico Gómez, Ciudad de México, México
- Escuela Superior de Enfermería y Obstetricia, Instituto Politécnico Nacional, Ciudad de México, México
| | - Mariana Romo-Castillo
- Laboratorio de Investigación en COVID-19, Laboratorio de Investigación en Inmunología y Proteomica, Hospital Infantil de México Federico Gómez, Ciudad de México, México
| | | | - Victor M Luna-Pineda
- Laboratorio de Investigación en COVID-19, Laboratorio de Investigación en Inmunología y Proteomica, Hospital Infantil de México Federico Gómez, Ciudad de México, México.
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3
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Campos-Ruíz MA, Illades-Aguiar B, Del Moral-Hernández O, Romo-Castillo M, Salazar-García M, Espinoza-Rojo M, Vences-Velázquez A, Cortés-Sarabia K, Luna-Pineda VM. Immunized mice naturally process in silico-derived peptides from the nucleocapsid of SARS-CoV-2. BMC Microbiol 2023; 23:319. [PMID: 37898784 PMCID: PMC10612231 DOI: 10.1186/s12866-023-03076-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2023] [Accepted: 10/18/2023] [Indexed: 10/30/2023] Open
Abstract
BACKGROUND The nucleocapsid (N) protein of severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) is an excellent immunogen that promotes the production of high-titer antibodies. N protein-derived peptides identified using a bioinformatics approach can potentially be used to develop a new generation of vaccines or diagnostic methods for detecting SARS-CoV-2 and its variants. However, further studies must demonstrate their capacity to be naturally processed by the immune system. OBJECTIVE We aimed to examine the in vivo processing and recognition of in silico-identified peptides using the serum of immunized animals with the complete protein. METHODS Recombinant N (Nrec) protein was subcutaneously administered to six Balb/c mice. Enzyme-linked immunosorbent assay (ELISA), western blotting, dot blotting, and immunoprecipitation were performed to evaluate the recognition of the complete protein and in silico-derived peptides. RESULTS The serum of immunized mice recognized ~ 62.5 ng/µL of Nrec with high specificity to linear and conformational epitopes. Dot blot analysis showed that peptides Npep2 and Npep3 were the most reactive. CONCLUSION Our data confirm the high immunogenicity of the SARS-CoV-2 N protein and provide evidence on the antigenicity of two peptides located in the N-arm/RNA-binding domain (Npep2) and oligomerization domain/C-tail (Npep3), considered the biologically active site of the N protein.
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Affiliation(s)
- Mario Aldair Campos-Ruíz
- Laboratorio de Inmunobiología y Diagnóstico Molecular, 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
| | - Oscar Del Moral-Hernández
- Laboratorio de Virología, Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Guerrero, Chilpancingo de los Bravo, Guerrero, México
| | - Mariana Romo-Castillo
- Laboratorio de Investigación en COVID-19, Laboratorio de Investigación en Inmunología y Proteómica, Hospital Infantil de México Federico Gómez, Ciudad de México, México
- Programa Investigadoras e Investigadores por México, Consejo Nacional de Humanidades, Ciencias y Tecnologías, Ciudad de México, México
| | - Marcela Salazar-García
- Laboratorio de Biología del Desarrollo y Teratogénesis Experimental, Hospital Infantil de México Federico Gómez, Ciudad de México, México
| | - Mónica Espinoza-Rojo
- 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
| | - Karen Cortés-Sarabia
- Laboratorio de Inmunobiología y Diagnóstico Molecular, Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Guerrero, Chilpancingo de los Bravo, Guerrero, México.
| | - Victor M Luna-Pineda
- Laboratorio de Investigación en COVID-19, Laboratorio de Investigación en Inmunología y Proteómica, Hospital Infantil de México Federico Gómez, Ciudad de México, México.
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4
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Cortés-Sarabia K, Guzman-Silva V, Martinez-Pacheco KM, Meza-Hernández JA, Luna-Pineda VM, Leyva-Vázquez MA, Vences-Velázquez A, Beltrán-Anaya FO, Del Moral-Hernández O, Illades-Aguiar B. Detection of IgA and IgG Antibodies against the Structural Proteins of SARS-CoV-2 in Breast Milk and Serum Samples Derived from Breastfeeding Mothers. Viruses 2023; 15:v15040966. [PMID: 37112946 PMCID: PMC10144911 DOI: 10.3390/v15040966] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 04/03/2023] [Accepted: 04/09/2023] [Indexed: 04/29/2023] Open
Abstract
Background: COVID-19 vaccination or natural infection is associated with the development of immunity. The search of IgA and IgG antibodies against all the structural proteins (spike, nucleocapsid, membrane, and envelope) of SARS-CoV-2 in breastfeeding mothers is associated with immunity that can help the newborn avoid development of the infection. Methods: In this study, we analyzed 30 breastfeeding women that provided samples of breast milk and serum and evaluated the presence of IgA, total IgG, and subclasses against the structural proteins of SARS-CoV-2. Results: We reported a high seroprevalence to IgA (76.67-100%) and negativity to IgG against all analyzed proteins in breast milk. Seroprevalence in serum samples was around 10-36.67% to IgA and 23.3-60% to IgG. Finally, we detected the presence of the subclasses IgG1, IgG2, and IgG4 against all the structural proteins of SARS-CoV-2. Conclusions: This work provides evidence of the presence of IgA and IgG antibodies against the four structural proteins of SARS-CoV-2 in breast milk and serum samples derived from breastfeeding women, which can confer immunity to the newborn.
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Affiliation(s)
- Karen Cortés-Sarabia
- Laboratorio de Inmunobiología y Diagnóstico Molecular, Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Guerrero, Chilpancingo de los Bravo 39086, Mexico
| | - Vianey Guzman-Silva
- Laboratorio de Inmunobiología y Diagnóstico Molecular, Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Guerrero, Chilpancingo de los Bravo 39086, Mexico
| | - Karla Montserrat Martinez-Pacheco
- Laboratorio de Inmunobiología y Diagnóstico Molecular, Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Guerrero, Chilpancingo de los Bravo 39086, Mexico
| | - Jesús Alberto Meza-Hernández
- Laboratorio de Inmunobiología y Diagnóstico Molecular, Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Guerrero, Chilpancingo de los Bravo 39086, Mexico
| | - Víctor Manuel Luna-Pineda
- Unidad de Investigación en Inmunología y Proteómica, Laboratorio de Investigación en COVID-19, Hospital Infantil de México "Federico Gómez", Mexico City 06720, Mexico
| | - Marco Antonio Leyva-Vázquez
- Laboratorio de Biomedicina Molecular, Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Guerrero, Chilpancingo de los Bravo 39086, Mexico
| | - Amalia Vences-Velázquez
- Laboratorio de Inmunobiología y Diagnóstico Molecular, Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Guerrero, Chilpancingo de los Bravo 39086, Mexico
| | - Fredy Omar Beltrán-Anaya
- Laboratorio de Biomedicina Molecular, Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Guerrero, Chilpancingo de los Bravo 39086, Mexico
| | - Oscar Del Moral-Hernández
- Laboratorio de Virología, Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Guerrero, Chilpancingo de los Bravo 39086, Mexico
| | - Berenice Illades-Aguiar
- Unidad de Investigación en Inmunología y Proteómica, Laboratorio de Investigación en COVID-19, Hospital Infantil de México "Federico Gómez", Mexico City 06720, Mexico
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5
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Cortés-Sarabia K, Palomares-Monterrubio KH, Velázquez-Moreno JO, Luna-Pineda VM, Leyva-Vázquez MA, Vences-Velázquez A, Dircio-Maldonado R, Del Moral-Hernández O, Illades-Aguiar B. Seroprevalence of IgG and Subclasses against the Nucleocapsid of SARS-CoV-2 in Health Workers. Viruses 2023; 15:v15040955. [PMID: 37112935 PMCID: PMC10141201 DOI: 10.3390/v15040955] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 03/28/2023] [Accepted: 04/03/2023] [Indexed: 04/29/2023] Open
Abstract
BACKGROUND The nucleocapsid protein of SARS-CoV-2 participates in viral replication, transcription, and assembly. Antibodies against this protein have been proposed for the epidemiological analysis of the seroprevalence of COVID-19 associated with natural infection by SARS-CoV-2. Health workers were one of the most exposed populations, and some had an asymptomatic form of the disease, so detecting IgG antibodies and subclasses against the N protein can help to reclassify their epidemiological status and obtain information about the effector mechanisms associated with viral elimination. METHODS In this study, we analyzed 253 serum samples collected in 2021 and derived from health workers, and evaluated the presence of total IgG and subclasses against the N protein of SARS-CoV-2 by indirect ELISA. RESULTS From the analyzed samples, 42.69% were positive to anti-N IgG antibodies. A correlation between COVID-19 asymptomatic infection and IgG antibodies was observed (p = 0.006). The detected subclasses were: IgG1 (82.4%), IgG2 (75.9%), IgG3 (42.6%), and IgG4 (72.6%). CONCLUSIONS This work provides evidence about the high seroprevalence of total IgG and subclasses of anti-N and their relations with the asymptomatic infection of SARS-CoV-2 and related symptoms.
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Affiliation(s)
- Karen Cortés-Sarabia
- Laboratorio de Inmunobiología y Diagnóstico Molecular, Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Guerrero, Chilpancingo de los Bravo 39086, Mexico
| | - Kenet Hisraim Palomares-Monterrubio
- Laboratorio de Inmunobiología y Diagnóstico Molecular, Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Guerrero, Chilpancingo de los Bravo 39086, Mexico
| | - Jesús Omar Velázquez-Moreno
- Laboratorio de Inmunobiología y Diagnóstico Molecular, Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Guerrero, Chilpancingo de los Bravo 39086, Mexico
| | - Víctor Manuel Luna-Pineda
- Unidad de Investigación en Inmunología y Proteómica, Laboratorio de Investigación en COVID-19, Hospital Infantil de México "Federico Gómez", Mexico City 06720, Mexico
| | - Marco Antonio Leyva-Vázquez
- Laboratorio de Biomedicina Molecular, Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Guerrero, Chilpancingo de los Bravo 39086, Mexico
| | - Amalia Vences-Velázquez
- Laboratorio de Inmunobiología y Diagnóstico Molecular, Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Guerrero, Chilpancingo de los Bravo 39086, Mexico
| | - Roberto Dircio-Maldonado
- Laboratorio de Biomedicina Molecular, Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Guerrero, Chilpancingo de los Bravo 39086, Mexico
| | - Oscar Del Moral-Hernández
- Laboratorio de Virología, Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Guerrero, Chilpancingo de los Bravo 39086, Mexico
| | - Berenice Illades-Aguiar
- Unidad de Investigación en Inmunología y Proteómica, Laboratorio de Investigación en COVID-19, Hospital Infantil de México "Federico Gómez", Mexico City 06720, Mexico
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6
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Flores-Alanis A, Saldaña-Ahuactzi Z, Parra-Ortega I, López-Ramírez P, Salazar-García M, Alemán-García YP, Cruz-Rangel A, Moreno-Paredes A, Diaz-Rojas A, Maldonado-Bernal C, Quevedo-Moran J, Luna-Pineda VM. Clinical Characteristics of Coronavirus Disease (COVID-19) in Mexican Children and Adolescents. Viruses 2022; 14:v14102162. [PMID: 36298717 PMCID: PMC9611217 DOI: 10.3390/v14102162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Revised: 09/13/2022] [Accepted: 09/28/2022] [Indexed: 11/05/2022] Open
Abstract
BACKGROUND We analyzed the demographic, clinical, and diagnostic data of children and adolescents in Mexico, from the first case of coronavirus disease (COVID-19) to 28 February 2022. METHODS Using the open databases of the Ministry of Health and a tertiary pediatric hospital, we obtained demographic and clinical data from the beginning of the COVID-19 pandemic until 28 February 2022. In addition, quantitative reverse-transcription polymerase chain reaction outputs were used to determine the viral load, and structural protein-based serology was performed to evaluate IgG antibody levels. RESULTS Of the total 437,832 children and adolescents with COVID-19, 1187 died. Of these patients, 1349 were admitted to the Hospital Infantil de Mexico Federico Gómez, and 11 died. Obesity, asthma, and immunosuppression were the main comorbidities, and fever, cough, and headache were the main symptoms. In this population, many patients have a low viral load and IgG antibody levels. CONCLUSION During the first 2 years of the COVID-19 pandemic in Mexico, children and adolescents had low incidence and mortality. They are a heterogeneous population, but many patients had comorbidities such as obesity, asthma, and immunosuppression; symptoms such as fever, cough, and headache; and low viral load and IgG antibodies.
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Affiliation(s)
- Alejandro Flores-Alanis
- Departamento de Microbiología y Parasitología, Facultad de Medicina, Universidad Nacional Autónoma de México, Ciudad de México 04510, Mexico
| | - Zeus Saldaña-Ahuactzi
- Paul G. Allen School for Global Health, College of Veterinary Medicine, Washington State University, Pullman, WA 99164, USA
| | - Israel Parra-Ortega
- Laboratorio Central, Hospital Infantil de México Federico Gómez, Ciudad de México 06720, Mexico
| | - Pablo López-Ramírez
- Centro de Investigación en Ciencias de Información Geoespacial (CentroGeo), Ciudad de México 14240, Mexico
| | - Marcela Salazar-García
- Laboratorio de Biología del Desarrollo y Teratogénesis Experimental, Hospital Infantil de México Federico Gómez, Ciudad de México 06720, Mexico
| | - Yolanda P. Alemán-García
- Laboratorio de Investigación en COVID-19, Hospital Infantil de México Federico Gómez, Ciudad de México 06720, Mexico
| | - Armando Cruz-Rangel
- Laboratorio de Bioquímica de Enfermedades Crónicas, Instituto Nacional de Medicina Genómica, Ciudad de México 14610, Mexico
| | - Alba Moreno-Paredes
- Unidad de Investigación en Inmunología y Proteómica, Hospital Infantil de México Federico Gómez, Ciudad de México 06720, Mexico
- Licenciatura en Medicina, Facultad de Medicina, Benemérita Universidad Autónoma Puebla, Puebla 72410, Mexico
| | - Adrián Diaz-Rojas
- Laboratorio de Investigación en COVID-19, Hospital Infantil de México Federico Gómez, Ciudad de México 06720, Mexico
- Licenciatura en Químico Farmacéutico Industrial, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Ciudad de México 11340, Mexico
| | - Carmen Maldonado-Bernal
- Unidad de Investigación en Inmunología y Proteómica, Hospital Infantil de México Federico Gómez, Ciudad de México 06720, Mexico
| | - Jessica Quevedo-Moran
- Laboratorio de Investigación en COVID-19, Hospital Infantil de México Federico Gómez, Ciudad de México 06720, Mexico
- Licenciatura en Químico Bacteriólogo Parasitólogo, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Ciudad de México 11340, Mexico
| | - Victor M. Luna-Pineda
- Laboratorio de Investigación en COVID-19, Hospital Infantil de México Federico Gómez, Ciudad de México 06720, Mexico
- Correspondence:
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