Background There is disagreement about the level of asymptomatic severe acute respiratory
syndrome coronavirus 2 (SARS-CoV-2) infection. We conducted a living systematic review …

Objective We aimed to systematically identify the possible risk factors responsible for severe
cases. Methods We searched PubMed, Embase, Web of science and Cochrane Library for …

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has rapidly spread across
the globe at unprecedented speed and is showing no signs of slowing down. The outbreak …

Background Debate about the level of asymptomatic Severe Acute Respiratory Syndrome
Coronavirus 2 (SARS-CoV-2) infection continues. The amount of evidence is increasing and …

Background The number of positive and death cases from coronavirus disease 2019
(COVID-19) is still increasing until now. One of the most prone individuals, even in normal …

Quantification of asymptomatic infections is fundamental for effective public health
responses to the COVID-19 pandemic. Discrepancies regarding the extent of …

Backgroud The association between underlying comorbidities and cardiac injury and the
prognosis in coronavirus disease 2019 (COVID‐19) patients was assessed in this study …

The COVID-19 pandemic has caused millions of deaths and great economic loss globally.
There has been substantial evidence supporting the airborne transmission of SARS-CoV-2 …

Abstract Objective Since the World Health Organization (WHO) announced coronavirus
disease 2019 (COVID-19) had become a global pandemic on March 11, 2020, the number …

Common symptoms such as dizziness, headache, olfactory dysfunction, nausea, vomiting,
etc. in COVID-19 patients have indicated the involvement of the nervous system. However …