NIOSH is looking to change disposable face mask rules to require masks to have a face seal.
NIOSH has declared the study associated with this rule change 'H7N9 URGENT'.
Current PRE_PANDEMIC mask availability may be reduced by 50%
As we have reported previously, ,H7N9 is likely defeating hospital caregiver masks, hence the reason for a rule change that will dramatically reduce the availability of surgical n95 masks even if there were no H7N9 pandemic.
More info and updates will follow.
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