COVID-19 pandemic is caused by the novel coronavirus SARS-CoV-2. Angiotensin-
converting enzyme 2 (ACE2) is not only an enzyme but also a functional receptor on cell …

Influenza viruses cause annual epidemics and occasional pandemics of respiratory tract
infections that produce a wide spectrum of clinical disease severity in humans. The novel …

Importance Although plenty of data exist regarding clinical manifestations, course, case
fatality rate, and risk factors associated with mortality in severe coronavirus disease 2019 …

Background At the beginning of June 2020, there were nearly 7 million reported cases of
coronavirus disease 2019 (COVID-19) worldwide and over 400,000 deaths in people with …

Diabetes, hypertension and cardiovascular disease have been listed as risk factors for
severe coronavirus disease 2019 (COVID-19) since the first report of the disease in January …

Aims As of the 28th April 2020, the COVID-19 pandemic has infiltrated over 200 countries
and affected over three million confirmed people. We review different biomarkers to evaluate …

Background and purpose The objective of our systematic review is to identify prognostic
factors that may be used in decision-making related to the care of patients infected with …

The novel coronavirus (SARS‐CoV‐2) has turned into a life‐threatening pandemic disease
(Covid‐19). About 5% of patients with Covid‐19 have severe symptoms including septic …

The symptoms most commonly reported by patients affected by coronavirus disease (COVID-
19) include cough, fever, and shortness of breath. However, other major events usually …

Background Vaccination, one of the most important and effective ways of preventing
infectious diseases, has recently been used to control the COVID-19 pandemic. The present …