Abstract Background Coronavirus disease (COVID–19) has resulted in the death of more
than 3.5 million people worldwide. While COVID–19 mostly affects the lungs, different …

Purpose The purpose of current review is to conduct a systematic overview of articles
published between 2019 and 2021 on the relationship of comorbidities and mortality due to …

Introduction: Given the ongoing coronavirus disease 2019 (COVID-19) pandemic and the
consequent global healthcare crisis, there is an urgent need to better understand risk factors …

Background Whilst people of all ages are affected in some way by COVID-19 virus, older
people are at a high mortality risk. This study aimed to systematically review the numerous …

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

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is a virus that belongs to
the coronavirus family and is the cause of coronavirus disease 2019 (COVID-19). As of May …

Background Cardiovascular disease (CVD), one of the most common comorbidities of
coronavirus disease 2019 (COVID-19), has been suspected to be associated with adverse …

Abstract Coronavirus disease 2019 (COVID-19) has several extrapulmonary symptoms.
Gastrointestinal (GI) symptoms are among the most frequent clinical manifestations of …

Background Covid-19 became a global pandemic in 2019. Studies have shown that
coronavirus can cause neurological symptoms, but clinical studies on its neurological …

Background: Hypertension and angiotensin-converting enzyme inhibitors
(ACEIs)/angiotensin receptor blockers (ARBs) have been reported to be associated with the …