The efficiency of KN95 masks has to be 95% or above, period. If it's not, we assess to see if they're used as surgical masks in other settings.
On May 15th, 2020. See this statement in context.
On May 15th, 2020. See this statement in context.
Vice-President, Public Health Agency of Canada
The efficiency of KN95 masks has to be 95% or above, period. If it's not, we assess to see if they're used as surgical masks in other settings.
See context to find out what was said next.