In December 2019, a new severe respiratory illness emerged in Wuhan, China and was
linked to a novel beta-coronavirus that likely originated from zoonotic transmission (1). As of …

Background Few studies have focused on exploring the clinical characteristics and
outcomes of COVID-19 in older patients. We conducted this systematic review and meta …

Background Various patient demographic and clinical characteristics have been associated
with poor outcomes for individuals with coronavirus disease 2019 (COVID-19). To describe …

Severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2), a novel virus that causes
COVID‐19 infection, has recently emerged and caused a deadly pandemic. Studies have …

Coronavirus disease 2019 (COVID-19) encompasses a broad spectrum of clinical
presentation and disease severity. Globally, case fatality rates demonstrate a strong age …

Abstract Background and Aims Older people have higher rates of comorbidities and may
experience more severe inflammatory responses; therefore, are at higher risk of death …

Background To investigate the clinical characteristics and manifestations of older patients
with coronavirus disease 2019 (COVID-19). Methods In this retrospective study, 566 patients …

Objectives Much of the previous research on COVID-19 was based on all population. But
substantial numbers of severe episodes occur in older patients. There is a lack of data about …

Abstract Background In December 2019, the coronavirus disease 2019 (COVID-19)
emerged in Wuhan city and spread rapidly throughout China and the world. In this study, we …

Post–COVID Conditions Among Adult COVID-19 Survivors Aged 18–64 and ≥65 Years —
United States, March 2020–November 2021 | MMWR Skip directly to site content Skip directly to …