COVID-19; COVID-19 incidence; COVID-19 mortality; COVID-19 transmissibility; Ecological factors; Exponential model; Linear model; Social mobility.
Ramadan, A., M. Hassany, R. Gazy, M. Ibrahem, and E. Gamal,
"Pattern and determinants of COVID-19 infection and mortality across countries: An ecological study",
Heliyon, vol. 7, issue 7, pp. 1-8, 2021.