Shi Hao Chew

Saliva is more sensitive than nasopharyngeal or nasal swabs for diagnosis of asymptomatic and mild COVID-19 infection

M. Tan, L. Hsu, L. Oon, 2021, Scientific Reports.

Validation of Saliva and Self-Administered Nasal Swabs for COVID-19 Testing

L. Hsu, L. Oon, K. Chan, 2020, medRxiv.