Wang, W. T., Chan, H. C., Somani, J., & Lim, S. M. (2022). Mass COVID-19 testing of asymptomatic health-care workers in a tertiary hospital during an outbreak in another hospital in Singapore: an effective strategy?. Western Pacific Surveillance and Response, 13(4), 3. https://doi.org/10.5365/wpsar.2022.13.4.951