… Severe acute respiratory coronavirus 2 (SARS-CoV-2) cases are overgrowing globally and
… the impact of age, sex, comorbidities, and clinical characteristics on the severity of COVID-19 …

… Objective: This meta-analysis compared the efficacy and safety of five kinds of COVID-19
vaccines in different age groups (young adults and older adults), aiming to analyze the …

… The BNT162b2 mRNA COVID-19 vaccine showed high efficacy … age, ethnicity, sex and prior
COVID-19 infection. Immunogenicity was similar by ethnicity and sex but decreased with age…

… and indirect ways in which the COVID-19 pandemic may impact education. Based on the
existing literature and pre-COVID-19 data, it made predictions about the impact on and future of …

… novel coronavirus that takes into account both the age and social contact structure [2]. We use
it to study the impact … We emphasise that models that do not resolve age and social contact …

… evaluate the impact of age on the clinical characteristics and important outcomes for
COVID-19 patients, thus helping clinicians to establish risk stratification of COVID-19 patients as …

… present - the effect of pre-existing comorbidities on mortality was limited in the current study,
indicating that age as such is likely the main driver of COVID-19 related in-hospital mortality. …

… of preparation for coronavirus disease 2019 (COVID-19) were … for decreasing transmission
of COVID-19, chief among them social … Screening processes for COVID-19 were quickly made …

… age distributions could exhibit substantially different epidemic profiles and overall impact of
COVID-19 … of respiratory infections 22 , but the impact of school closure depends on the role …

… efficacy by age COVID-19 vaccines may not be equally effective across age groups in …
To understand the impact of age-dependent COVID-19 vaccine efficacy, we incorporated a …