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Risk of death, hospitalization and intensive care unit admission by SARS-CoV-2 variants in Peru: a retrospective study.
Fano-Sizgorich, Diego; Vásquez-Velásquez, Cinthya; Orellana, Laura R; Ponce-Torres, Christian; Gamboa-Serpa, Henry; Alvarez-Huambachano, Keyla; Gonzales, Gustavo F.
  • Fano-Sizgorich D; Laboratorio de Endocrinología y Reproducción, Departamento de Ciencias Biológicas y Fisiológicas, Facultad de Ciencias y Filosofía, Universidad Peruana Cayetano Heredia, Lima, Peru; Latin American Center of Excellence for Climate Change and Health, Universidad Peruana Cayetano Heredia, Lima, Peru. E
  • Vásquez-Velásquez C; Laboratorio de Endocrinología y Reproducción, Departamento de Ciencias Biológicas y Fisiológicas, Facultad de Ciencias y Filosofía, Universidad Peruana Cayetano Heredia, Lima, Peru; Dirección de Laboratorio de Salud Pública, Dirección Regional de Salud del Callao, Callao, Peru.
  • Orellana LR; EMERGE, Emerging Diseases and Climate Change Research Unit, Facultad de Salud Pública y Administración, Universidad Peruana Cayetano Heredia, Lima, Peru.
  • Ponce-Torres C; Latin American Center of Excellence for Climate Change and Health, Universidad Peruana Cayetano Heredia, Lima, Peru.
  • Gamboa-Serpa H; Dirección Regional de Salud del Callao, Callao, Peru.
  • Alvarez-Huambachano K; Dirección de Laboratorio de Salud Pública, Dirección Regional de Salud del Callao, Callao, Peru.
  • Gonzales GF; Laboratorio de Endocrinología y Reproducción, Departamento de Ciencias Biológicas y Fisiológicas, Facultad de Ciencias y Filosofía, Universidad Peruana Cayetano Heredia, Lima, Peru.
Int J Infect Dis ; 127: 144-149, 2023 Feb.
Article in English | MEDLINE | ID: covidwho-2240607
ABSTRACT

OBJECTIVES:

Peru has had the highest death toll from the pandemic worldwide; however, it is not clear what the effects of the different variants on these outcomes are. The study aimed to evaluate the risk of death, hospitalization, and intensive care unit (ICU) admission rates of COVID-19 according to the SARS-CoV-2 variants detected in Peru from March 2020-February 2022.

METHODS:

Retrospective study using open-access databases were published by the Peruvian Ministry of Health. Databases of genomic sequencing, death, COVID-19 cases, hospitalization and ICU, and vaccination were used. Crude and adjusted Cox proportional hazards regressions with clustered variances were modeled to calculate the hazard ratio (HR) of outcomes by variant.

RESULTS:

Lambda variant had the highest risk of death (HR 1.92, 95% CI 1.37-2.68), whereas the Delta variant had the lowest risk (HR 0.50, 95% CI 0.31-0.82). Mu variant had the highest risk of hospitalization (HR 2.39, 95% CI 1.56-3.67), Omicron the lowest (HR 0.45, 95%CI 0.23-0.90), and Gamma had the highest ICU admission rate (HR 1.95, 95%CI 1.40-2.71).

CONCLUSION:

SARS-CoV-2 variants showed distinctive risks of clinical outcomes, which could have implications for the management of infected persons during the pandemic.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: SARS-CoV-2 / COVID-19 Type of study: Experimental Studies / Observational study / Prognostic study Topics: Vaccines / Variants Limits: Humans Country/Region as subject: South America / Peru Language: English Journal: Int J Infect Dis Journal subject: Communicable Diseases Year: 2023 Document Type: Article

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Full text: Available Collection: International databases Database: MEDLINE Main subject: SARS-CoV-2 / COVID-19 Type of study: Experimental Studies / Observational study / Prognostic study Topics: Vaccines / Variants Limits: Humans Country/Region as subject: South America / Peru Language: English Journal: Int J Infect Dis Journal subject: Communicable Diseases Year: 2023 Document Type: Article