Richard created a new article
2 yrs - Translate

COVID-19 is not well protected by a single-layer cloth mask | #n95 mask

COVID-19 Is Not Well Protected By A Single-Layer Cloth Mask

COVID-19 Is Not Well Protected By A Single-Layer Cloth Mask

KN95 Mask are similar, but not the same. KN95 refers to the Chinese standard. N95 Mask is the American standard. KN95 mask makers can apply for an Emergency Use Authorization (EUA) from the Food and Drug Administration (FDA) to allow them to use their products within healthcare settings. M