Metadata about: Objective: This study investigates the regional differences in the occurrence of COVID-19 in Brazil and its relationship with climatic and demographic factors, for this, using data about identified cases of COVID-19 on Brazil from February 26 to April 04, 2020. Methods: A model using the Polynomial Regression with cubic adjustments of the number of days of contagion, demographic density, city population and climatic factors was designed to explain the spread of COVID-19 in Brazil. Main results: It was evidenced that temperature variation maintains a relationship with the reduction in the number of cases of COVID-19, but on a very small scale. With a simulation of 30 days of contagion, a variation of -0.9% was found for each increase of 1 C. Conclusion: Temperature, despite being an intervening factor in the variation in the number of COVID-19 cases, has a reduced magnitude effect. Cities with higher temperatures do not necessarily it is more protected from the SARS-CoV-2 than those with lower temperatures, however, strong statistical significance was found, this relationship deserves to be investigated in other tests with longer time series, wide and with especially non-linear data adjustments.

About: Objective: This study investigates the regional differences in the occurrence of COVID-19 in Brazil and its relationship with climatic and demographic factors, for this, using data about identified cases of COVID-19 on Brazil from February 26 to April 04, 2020. Methods: A model using the Polynomial Regression with cubic adjustments of the number of days of contagion, demographic density, city population and climatic factors was designed to explain the spread of COVID-19 in Brazil. Main results: It was evidenced that temperature variation maintains a relationship with the reduction in the number of cases of COVID-19, but on a very small scale. With a simulation of 30 days of contagion, a variation of -0.9% was found for each increase of 1 C. Conclusion: Temperature, despite being an intervening factor in the variation in the number of COVID-19 cases, has a reduced magnitude effect. Cities with higher temperatures do not necessarily it is more protected from the SARS-CoV-2 than those with lower temperatures, however, strong statistical significance was found, this relationship deserves to be investigated in other tests with longer time series, wide and with especially non-linear data adjustments.

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