COVID-19(4) Mobility(2) predict(2) Research(2) correlation(2) COVID-19 pandemic(2) help(2) average(2) risk(2) Long(1) include(1) shown(1) prediction(1) machine learning(1) increase in(1) coronavirus disease(1) COVID-19 positive patient(1) Forecasting(1) Platelets(1) outbreak(1) Uniform(1) interpretability(1) severity of COVID-19(1) literature review(1) Feature selection(1) China(1) age(1) computer(1) Morocco(1) Google(1)