Canada's chief public health officer recently released updated recommendations for non-medical masks. Meanwhile winter is approaching. That's led CBC readers to send us new, more detailed and more ...

Adding a third layer to cloth face masks is now recommended for preventing the spread of COVID-19. Non-woven polypropylene fabric is the material of choice for this third layer, but many people may ...

We're answering your questions about the pandemic. Send yours to COVID@cbc.ca, and we'll answer as many as we can. We publish a selection of answers online and also put some questions to the experts ...