… Noticeable in this study was the higher mortality in later time periods, which may reflect the
emergence of the Delta strain, which was associated with more severe COVID-19 outcomes ( …

… In this prospective observational study of 135 COVID-19 patients, we found neurological
diseases unknown before COVID-19 in every sixth patient at the 3-month follow-up with a …

… COVID-19 across Europe, we searched for studies that compared associations between frailty
and hospital mortality in older patients with COVID-19. … policy in the COVID-19 pandemic. …

… Coronavirus Disease 2019 (COVID-19) pneumonia are still poorly understood. This was a
prospective, observational, physiological, cohort study … abnormalities in COVID-19 pneumonia …

… cohort study of subjects surviving COVID-19, including individuals fulfilling the WHO PCC
definition and subjects with full clinical recovery. We systematically collected post-COVID-19 …

… study forms part of the Linköping COVID-19 Study (LinCoS), an ambidirectional observational
cohort study.… the Reporting of Observational Studies in Epidemiology statement for cohort …

… We compared the outcome of COVID-19-related death between people prescribed … cohort,
and low-dose or medium-dose and high-dose ICSs versus SABAs only in the asthma cohort. …

… this study was to investigate the impact of the UK Government's ‘lockdown’ on the volume and
severity of surgical admissions during the COVID-19 … during subsequent COVID-19 surges …

… Our study included 389,620 participants of European descent from the UK … the COVID-19
test and 1,091 were tested positive for COVID-19. We examined the association of COVID-19 …

… Study design We completed a retrospective observational cohort study using data from the
COVID-19 … by Public Health England to collect routine data during the COVID-19 pandemic. …