Is the spread of COVID-19 across countries influenced by environmental, economic and social factors?

Mohammad Alamgir Hossain

We also presume that total number of cases of infection in a country on a specific day depends, apart from environmental, social and economic conditions, on the previous . CC-BY 4.0 International license It is made available under a is the author/funder, who has granted medRxiv a license to display the preprint in perpetuity. where ̂ is the residual series. Following the properties of Classical Linear Regression Model, we can deduce that ̂ of the estimated model (3) is un-correlated with X's and can be used as a proxy variable of (− ) in model (2). Consequently, model (2) has converted to the following estimable one-= ∝ + 1 1 + 2 2 + 3 3 + 4 4 + 4 5 +̂+ . CC-BY 4.0 International license It is made available under a is the author/funder, who has granted medRxiv a license to display the preprint in perpetuity.