Epidemiological and Immunological Features of Obesity and SARS-CoV-2

Epidemiological and Immunological Features of Obesity and SARS-CoV-2

Obesity is a key correlate of severe SARS-CoV-2 outcomes while the role of obesity on risk of SARS-CoV-2 infection, symptom phenotype, and immune response remain poorly defined. We examined data from a prospective SARS-CoV-2 cohort study to address these questions. Serostatus, body mass index, demog...

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Autores principales: Eric J. Nilles, Sameed M. Siddiqui, Stephanie Fischinger, Yannic C. Bartsch, Michael de St. Aubin, Guohai Zhou, Matthew J. Gluck, Samuel Berger, Justin Rhee, Eric Petersen, Benjamin Mormann, Michael Loesche, Yiyuan Hu, Zhilin Chen, Jingyou Yu, Makda Gebre, Caroline Atyeo, Matthew J. Gorman, Alex Lee Zhu, John Burke, Matthew Slein, Mohammad A. Hasdianda, Guruprasad Jambaulikar, Edward W. Boyer, Pardis C. Sabeti, Dan H. Barouch, Boris Julg, Adam J. Kucharski, Elon R. Musk, Douglas A. Lauffenburger, Galit Alter, Anil S. Menon
Formato: article
Lenguaje:EN
Publicado: MDPI AG 2021
Materias:
SARS-CoV-2
COVID-19
body mass index
obesity
epidemiology
clinical features
Microbiology
QR1-502
Acceso en línea:https://doaj.org/article/8b482925babd4a6182e66dd7d2a77ac0
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Sumario:Obesity is a key correlate of severe SARS-CoV-2 outcomes while the role of obesity on risk of SARS-CoV-2 infection, symptom phenotype, and immune response remain poorly defined. We examined data from a prospective SARS-CoV-2 cohort study to address these questions. Serostatus, body mass index, demographics, comorbidities, and prior COVID-19 compatible symptoms were assessed at baseline and serostatus and symptoms monthly thereafter. SARS-CoV-2 immunoassays included an IgG ELISA targeting the spike RBD, multiarray Luminex targeting 20 viral antigens, pseudovirus neutralization, and T cell ELISPOT assays. Our results from a large prospective SARS-CoV-2 cohort study indicate symptom phenotype is strongly influenced by obesity among younger but not older age groups; we did not identify evidence to suggest obese individuals are at higher risk of SARS-CoV-2 infection; and remarkably homogenous immune activity across BMI categories suggests immune protection across these groups may be similar.

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