Masks essential to cut transmission chains
China DailyThat every individual wears a mask in public is the first line of defense to cut the transmission channels for the novel coronavirus. That explains why the National Health Commission has released new guidelines for wearing masks, which specify what kind of masks should be worn by those in higher-risk places and how ordinary residents should wear a mask. Different from before, besides the mandatory requirement of wearing masks in enclosed venues, the latest guidelines require ordinary residents to wear a mask even in open spaces if there is a gathering. Although she passed the virus to many players at a mahjong parlor where the majority of those present did not wear masks, she did not pass the virus to anyone during her journey because all the passengers on her train and then the bus she took were wearing a mask. Those working at customs or ports where the chance of being infected by someone carrying the virus from abroad or even from cargoes carrying the virus should strictly follow the rules and wear higher-level protection masks.