Al-Tawfiq, Jaffar A.Leonardi, RobertoFasoli, GinoRigamonti, Daniele2020-07-012020-07-012020-05Al-Tawfiq, J. A., Leonardi, R., Fasoli, G., & Rigamonti, D. (2020). Prevalence and fatality rates of COVID-19: What are the reasons for the wide variations worldwide?. Travel medicine and infectious disease, 35, 101711. https://doi.org/10.1016/j.tmaid.2020.101711https://hdl.handle.net/1805/23145This article is made available for unrestricted research re-use and secondary analysis in any form or by any means with acknowledgement of the original source. These permissions are granted for the duration of the World Health Organization (WHO) declaration of COVID-19 as a global pandemic.en-USPublisher PolicyThis article is made available for unrestricted research re-use and secondary analysis in any form or by any means with acknowledgement of the original source. These permissions are granted for the duration of the World Health Organization (WHO) declaration of COVID-19 as a global pandemic.COVID-19Mortality ratesGeographic variabilitySocial habitsDifferences in transmissionHome quarantineIsolation of vulnerable populationsDecrease in healthcare resourcesGovernmental restrictionsArticle