Introduction Increased age has been reported to be a factor for COVID-19 severe outcomes.
However, many studies do not consider the age dependency of comorbidities, which …

The linkage of individuals with obesity and COVID‐19 is controversial and lacks systematic
reviews. After a systematic search of the Chinese and English language literature on COVID …

Background Patients with coronavirus disease 2019 (COVID-19) who have underlying
malignancy have a higher mortality rate compared with those without cancer, although the …

Background and aims The ongoing COVID-19 pandemic is disproportionately affecting
patients with comorbidities. Therefore, thorough comorbidities assessment can help …

Objective To estimate the infection fatality risk for severe acute respiratory syndrome
coronavirus 2 (SARS-CoV-2), based on deaths with confirmed coronavirus disease 2019 …

Background This study applies an umbrella review approach to summarise the global
evidence on the risk of severe COVID-19 outcomes in patients with pre-existing health …

The patient-made term 'Long Covid'is, we argue, a helpful and capacious term that is
needed to address key medical, epidemiological and socio-political challenges posed by …

Objective: Obesity has been shown to be associated with adverse outcomes in viral
infections such as influenza, but previous studies on coronavirus disease 2019 (COVID-19) …

Background: The emergence of the coronavirus disease 2019 (COVID-19) has brought
large challenges to dementia patients. We reviewed the existing literature on COVID-19 to …

Background The prognosis of patients with COVID-19 infection is uncertain. We derived and
validated a new risk model for predicting progression to disease severity, hospitalization …