Unmasking a dangerous source of Covid-19 infections By Can Van Luc March 17, 2021 | 07:47 am GMT+7 The math is staggering, even for a single household. Since the advent of Covid-19, my six-member family has been regularly throwing away disposable face masks. Can Van Luc On average, we have thrown away two-three masks per day, or 90 a month. I have observed many other families in Hanoi do the same. Those figures came to my mind last weekend when I was taking out the trash and had an impromptu chat with a worker of the Hanoi Urban Environment Company (URENCO). "I have to use a broomstick or a stick to pick the face masks from afar. I do not dare to touch them with my hands, I am scared and worried about catching Covid-19," she said.