for anyone still looking for masks, KN95 standard masks look to be more more or less the same as N95 except not FDA certifiedhttps://slatestarcodex.com/2020/03/23/face-masks-much-more-than-you-wanted-to-know/#comment-869446 …
CDC issued guidance last week recommending hospitals consider masks of equivalent international specifications https://www.cdc.gov/coronavirus/2019-ncov/hcp/respirators-strategy/crisis-alternate-strategies.html …
