Chicago Bears cloth face mask. According to Mr. Phu, using masks is very good for preventing respiratory diseases as well as environmental pollution. But need to identify the correct use of masks to avoid rampant, unnecessary use, creating a fever of masks, speculators' opportunity for price increases.
“Must determine to what extent, what risk to use a mask. Currently the epidemic is not widespread, so it should only be used in high-risk places, crowded places, public places, hospitals, and it is not necessary to use N95 masks. N95 respirators only for people directly taking care of patients, entering new epidemic areas should use them with other special protec
