Identifying Risks of COVID-19 Outbreaks in Work Settings and the Implications for Control Measures

Intervention group will receive TPB-based education program to improve workers' attitude toward SARS-CoV-2 and raise their intention to vaccination and virus testing. The intervention will be implemented at the baseline with measurements repeated at the 3rd month, 6th month and 9th month. The standardized mode of intervention includes face-to-face/online seminar (depends on the COVID-19 situation), message via mobile phone, promotion pamphlet, etc.