Hospitalizations for COVID-19 in a tertiary hospital in Brazil: a parallel with vaccination

This study aimed to evaluate the COVID-19 hospitalizations in a tertiary hospital by age group and month, considering the introduction and the advance of the vaccination against the disease. The laboratory-confirmed COVID-19-associated hospitalizations among people aged 20 years or older, that occur...

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Bibliographic Details
Published in:	Revista do Instituto de Medicina Tropical de São Paulo Vol. 64; pp. e62 - 5
Main Authors:	Salomão, Maria Lúcia Machado, Machado, Maurício Nassau, Fernandes, Eder Gatti, Queiroz, Flávia, Mendes, Lina de Moura, Tuckumantel, Murillo de Souza, Andrade, Haislaine Tarraf de, Lobo, Suzana Ajeje, Nogueira, Mauricio Lacerda, Catelan, Marcia Wakai
Format:	Journal Article
Language:	English
Published:	Brazil Instituto de Medicina Tropical de Sao Paulo 01-01-2022 Instituto de Medicina Tropical de São Paulo
Subjects:	Age groups Aged Aged, 80 and over Brazil - epidemiology Brief Communication Coronaviruses COVID-19 - epidemiology COVID-19 - prevention & control COVID-19 vaccines Hospitalization Humans Immunization Middle Aged Older people Pandemics Severe acute respiratory syndrome coronavirus 2 Tertiary Care Centers Trends TROPICAL MEDICINE Vaccination Brazil COVID-19 COVID-19 vaccines SARS-CoV-2 Severe acute respiratory syndrome
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Summary:	This study aimed to evaluate the COVID-19 hospitalizations in a tertiary hospital by age group and month, considering the introduction and the advance of the vaccination against the disease. The laboratory-confirmed COVID-19-associated hospitalizations among people aged 20 years or older, that occurred between March 2020 and June 2021, were distributed by month of symptom onset and age group. The proportion of hospitalizations by age group was calculated for the year 2021. The proportions were compared using the chi-square test for trends. The marks of vaccination advances among different age groups were taken from the official website LocalizaSUS. In 2020, hospitalizations among people aged 60-80 years old were the most frequent (39.1%). From January-June 2021, when the vaccination commenced, while hospitalizations of patients aged 20 to < 40 and 40 to 60 years old showed an increasing trend, the older age groups and those with vaccination recommendations (from 60 to < 80 and from 80 or over) showed a downward trend. As of June 2021, with widespread vaccination, a drop in hospitalizations was observed in > 60 years old. At 20 to <40 and 40 to < 60, an increase in hospitalizations was observed. It demonstrates the important role of vaccination in combating the COVID-19 pandemic.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 CONFLICT OF INTERESTS MLMS, MNM, EGF, FQ, LMM, HTA and MST participated in all stages of the work from the conception, planning, analysis, interpretation and writing of the work; MNL, SAL and MWC contributed to the critical review of the content. All authors approved the final manuscript as submitted. EGF is linked to the Butantan Institute (a vaccine producer) as a safety doctor. The other authors have no conflict of interest. AUTHORS’ CONTRIBUTIONS
ISSN:	1678-9946 0036-4665 1678-9946
DOI:	10.1590/S1678-9946202264062