Background An outbreak of COVID-19 in Iran has spread throughout the country. Identifying
the epidemiological characteristics of this disease will help to make appropriate decisions …

Abstract Background In March 2020, the WHO declared the novel coronavirus (COVID-19)
outbreak a global pandemic. Although the number of infected cases is increasing …

Background Defining socio-demographic factors, clinical presentations and underlying
diseases associated with COVID-19 severity could be helpful in its management. This study …

Background: We studied the clinical characteristics and outcomes of 905 hospitalized
coronavirus disease 2019 (COVID-19) patients admitted to Imam Khomeini Hospital …

Methods: This multicenter, cross-sectional study was conducted on confirmed and
suspected COVID-19 cases who were hospitalized in 19 public hospitals affiliated to Shahid …

Background The extent of infection by coronavirus disease 2019 has not been well known.
In this study we aimed to determine seropositivity of COVID-19 virus infection in population …

Abstract Background Coronavirus Disease 2019 (Covid-19) is expanding worldwide. The
characteristics of this infection in patients varies from country to country. To move forward …

This retrospective study aimed to investigate the epidemiological and clinical characteristics
of COVID-19 cases in the Middle Euphrates region of Iraq. Principal Findings: A total of 853 …

Background The aim of this study is to describe the clinical and demographic characteristics
of COVID-19 patients, and the risk factors associated with death in Saudi Arabia to serve as …

Background: The Covid-19 epidemic in 2019 has created many public health problems.
Literature that focuses on the risk factors of this issue is limited especially in developing …