Should you close all windows to prevent a spread of the coronavirus? Can a flu jab protect you from the virus?
Answers to these questions and more here.
Sesame oil won't zap the coronavirus, and don't microwave the mask
Associate Professor Hsu Li Yang said there are viral videos on how you can steam masks. These are not recommended. The masks are meant to be used once, and microwaving or steaming is likely to damage them and reduce their protectiveness.