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Wilcox, C.R., Islam, N. and Dambha-Miller, H. (2021) Association between Influenza Vaccination and Hospitalisation or All-Cause Mortality in People with COVID-19: A Retrospective Cohort Study. BMJ Open Respiratory Research, 8, Article ID: e000857.
https://doi.org/10.1136/bmjresp-2020-000857

has been cited by the following article:

• TITLE: Analysis of 472,688 Severe Cases of COVID-19 in Brazil Showed Lower Mortality in Those Vaccinated against Influenza

  AUTHORS: Daniele Melo Sardinha, Diana da Costa Lobato, Ana Lúcia da Silva Ferreira, Karla Valéria Batista Lima, Ricardo José de Paula Souza e Guimarães, Luana Nepomuceno Gondim Costa Lima

  KEYWORDS: COVID-19, Pandemic, Brazil, Influenza Vaccine

  JOURNAL NAME: World Journal of Vaccines, Vol.11 No.3, July 16, 2021

  ABSTRACT: Objective: To analyze the severe cases of COVID-19 in Brazil in 2020 and compare those vaccinated and unvaccinated against influenza in invasive ventilation, admission in Intensive Care Unit (ICU) and deaths. Method: Cross-sectional study with public data from the OpenDataSUS platform, regarding confirmed severe cases for COVID-19 in Brazil in the year 2020. Data were analyzed by SPSS, from the chi-square test of independence and binary logistic regression. Results: The population was 472,688 cases and 177,640 deaths, with a lethality of 37.58% in severe cases. The test of independence was highly significant in vaccinated survivors (