Successive waves of COVID 19: confinement effects on virus-prevalence with a mathematical model.Published in:European Journal of Medical Research, 2021, v. 26, n. 1, p. 1, doi. 10.1186/s40001-021-00596-6By:Abdalla, S.;Bakhshwin, Duaa;Shirbeeny, W.;Bakhshwin, Ahmed;Bahabri, F.;Bakhshwin, Abdulaziz;Alsaggaf, Samar M.Publication type:Article