Health Tips
Ask Yuen Kwok-yung: Someone in the building where I live has the coronavirus! What should I do?
HKU microbiologist Professor Yuen Kwok-yung says:
You should keep calm and carry on wearing masks, washing hands frequently, and minimising social contact. At home, regularly pour water into drain outlets (U-traps) to prevent the virus from spreading through the building’s pipes and ventilation system.
Source: HKU U-Vision