Abstract Background Coronavirus disease 2019 (COVID-19) is an infectious disease
characterized by cough, fever, and fatigue and 20% of cases will develop into severe …

Background: An ongoing outbreak of pneumonia associated with the severe acute
respiratory coronavirus (SARS-CoV-2) emerged in December 2019 in Wuhan, China …

Background An outbreak of coronavirus disease 2019 (COVID-19) occurred in Wuhan,
China; the epidemic is more widespread than initially estimated, with cases now confirmed …

Objectives Existing findings regarding the relationship between comorbidities and the
severity of coronavirus disease 2019 (COVID-19) are inconsistent and insufficient. The aim …

Background: An outbreak of Novel Coronavirus (COVID-19) in Wuhan, China, the epidemic
is more widespread than initially estimated, with cases now confirmed in multiple countries …

Introduction On February 11, 2020 WHO designated the name “COVID-19” for the disease
caused by “severe acute respiratory syndrome coronavirus 2”(SARS-CoV-2), a novel virus …

Background The coronavirus disease 2019 (COVID-19) outbreak is evolving rapidly
worldwide. Objective To evaluate the risk of serious adverse outcomes in patients with …

ABSTRACT SARS-CoV-2 has caused a worldwide pandemic that began with an outbreak of
pneumonia cases in the Hubei province of China. Knowledge of those most at risk is integral …

Abstract Coronavirus disease 2019 (COVID‐19) has become a serious public health
problem worldwide. Here, we stratified COVID‐19 patients based on their comorbidities to …

The pandemic situation with the emergence of severe acute respiratory syndrome
coronavirus 2 (SARS-CoV-2) from China has endangered human lives. Coronavirus …