Geriatrics(1) health system(1) Older(1) older population(1) required(1) Bangladesh(1) morbidity and mortality(1) Analysis(1) article(1) collected(1) mental health(1) Health(1) Care(1) problems(1) resulting(1) conditions(1) COVID-19(1) outcomes(1) preventive measures(1) older persons(1) healthcare services(1) examined(1) COVID-19 pandemic(1) healthcare(1) Evidence(1) Chinese(1) analyzed(1) pandemic(1)