The coronavirus disease 2019 (COVID-19) vaccine effectively reduces the possibility of
severe illness and mortality in older adults and is essential for controlling the epidemic …

In accordance with the COVID-19 surveillance data from Hong Kong, over 95% fatal cases
were elderly patients aged≥ 60 years, and the median age of the dead cases was 86 years …

Background: Older individuals have a high risk of morbidity and mortality due to COVID-19,
and one of the most effective ways to prevent COVID-19 is vaccination. Little is known about …

Evidence is limited on the actual uptake of the coronavirus disease 2019 (COVID-19)
vaccine among older adults, especially those with chronic diseases, during the pandemic …

We conducted a matched retrospective cohort study of two cohorts to estimate inactivated
vaccine effectiveness (VE) and its comparative effectiveness of booster dose among older …

Vaccination is the primary defense against severe acute respiratory syndrome coronavirus
2, especially among older adults and those with chronic conditions. Using a nationally …

The Japanese government implemented a large-scale vaccination policy against the
coronavirus disease 2019 (COVID-19) pandemic, primarily using messenger RNA vaccines …

Objectives This study aimed to examine the coverage of coronavirus disease 2019 (COVID-
19) vaccination and its cognitive determinants among older adults. Methods A cross …

Background COVID-19 vaccination significantly reduces the risk of infection and its
associated morbidity and mortality. However, poor uptake of the COVID-19 vaccination was …

COVID-19 vaccination is proven to be effective and safe for older adults. This study
investigated the impacts of incentives and health promotional materials provided by the …