Fig. 1

Correlation between average monthly high temperatures and number of deaths/1 M people. a The relationship between the number of deaths/1 M people and the average monthly high temperatures (°F) for the months of March (left) and April (right) 2020 is represented for 25 areas located in Europe and in the US using scatter plots graphs. b The not linear correlation between these two variables is calculated using the squared transformation of the average monthly high temperatures. The p-values for each month are indicated