Influenza viruses cause annual epidemics and occasional pandemics of respiratory tract
infections that produce a wide spectrum of clinical disease severity in humans. The novel …

Background Several comorbidities have been associated with an increased risk of severity
and mortality in coronavirus disease 2019 (COVID-19), including hypertension, diabetes …

Aims Data on the impact of COVID‐19 in chronic heart failure (CHF) patients and its
potential to trigger acute heart failure (AHF) are lacking. The aim of this work was to study …

Importance Influenza infection is associated with increased cardiovascular hospitalization
and mortality. Our prior systematic review and meta-analysis hypothesized that influenza …

Objectives The purpose of this study was to evaluate in-hospital outcomes among patients
with a history of heart failure (HF) hospitalized with coronavirus disease-2019 (COVID-19) …

While the economic burden of influenza infection is well described among adults aged 65
and older, less is known about younger adults. A systematic literature review was conducted …

Background: Influenza may contribute to the burden of acute cardiovascular events during
annual influenza epidemics. Objective: To examine acute cardiovascular events and …

Despite widespread influenza vaccination programs, influenza remains a major cause of
morbidity and mortality in older adults. Age-related changes in multiple aspects of the …

Annual seasonal influenza epidemics of variable severity result in significant morbidity and
mortality in the United States (US) and worldwide. In temperate climate countries, including …

Background: The Danish government ordered a public lockdown on March 12, 2020,
because of the coronavirus disease 2019 (COVID-19) pandemic. We investigated the …