Do you buy a mask today? According to the notification, as of 18:00 on January 20, A total of xxx cases of pneumonia cases of new coronavirus infection reported in China.Cases first appeared in Wuhan.Subsequently, appeared in several other cities.My friend told me that the online masks are sold out.I'm going home tomorrow, let me be careful on the road.But，I don’t worry about so much. I think it will be ok, but just in case, I'll turn out the masks I bought after work.