The clinical course and outcome of COVID-19 are highly variable, ranging from
asymptomatic infections to severe disease and death. Understanding the risk factors of …

As the world faces the coronavirus disease 2019 (COVID-19) pandemic due to severe acute
respiratory syndrome coronavirus 2 (SARS-CoV-2) infection, concerns have been raised …

Background Multiple early reports of patients admitted to hospital with COVID-19 showed
that patients with chronic respiratory disease were significantly under-represented in these …

Background Individual case series and cohort studies have reported conflicting results in
people with asthma on the vulnerability to and risk of mortality from coronavirus disease …

Introduction The prevalence of asthma, chronic obstructive pulmonary disease (COPD), and
asthma-COPD overlap (ACO) in patients with COVID-19 varies, as well as their risks of …

Background Factors predisposing to increased mortality with COVID-19 infection have been
identified as male sex, hypertension, obesity, and increasing age. Early studies looking at …

Respiratory syncytial virus (RSV) infections are a constant public health problem, especially
in infants and older adults. Virtually all children will have been infected with RSV by the age …

Knowledge about the immune responses against severe acute respiratory syndrome
coronavirus 2 (SARS-CoV-2) infection, particularly regarding the function of eosinophils, has …

The severe acute respiratory syndrome coronavirus 2, which causes coronavirus disease
2019 (COVID-19), has infected more than 200 million and led to the deaths of more than 4.3 …

The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic has caused
severe illness and mortality for millions worldwide. Despite the development, approval and …