Objectives: Older adults have been disproportionately affected by the coronavirus disease 2019 (COVID-19) pandemic. While COVID-19 vaccines are effect...Read more

Background: High COVID-19 vaccination uptake rates across all age groups are important for achieving herd immunity. However, age disparity in vaccina...Read more

Controlling transmission in restaurants is an important component of public health and social measures for coronavirus disease. We examined the effect...Read more

The existing surveillance approaches and contact tracing identified around three quarters of coronavirus disease 2019 (COVID-19) cases during the thir...Read more

There is limited evidence on vaccine effectiveness against asymptomatic or mild Omicron infections. We estimated that recent third doses of messenger ...Read more

Background: Disparities were marked in previous pandemics, usually with higher attack rates reported for those in lower socioeconomic positions and fo...Read more

Hong Kong has implemented stringent public health and social measures (PHSMs) to curb each of the four COVID-19 epidemic waves since January 2020. The...Read more

Background: COVID-19 vaccine hesitancy can lead to reduced vaccine uptake and hinder the safe relaxation of other public health measures. This study a...Read more

Vaccine hesitancy can be heightened due to increasing negative reports about vaccines. Emphasizing the social benefits of vaccination may shift indivi...Read more

Monitoring community psychological and behavioural responses to coronavirus disease 2019 (COVID-19) is important for informing policy making and risk ...Read more