This document describes interim guidance for the use of facemasks1 and respirators2 in certain public settings during an influenza pandemic. Very little information is available about the effectiveness of facemasks and respirators in controlling the spread of pandemic influenza in community settings. In the absence of scientific data, this document offers interim recommendations that are based on public health
judgment and on the historical use of facemasks and respirators in other settings. In brief, these interim recommendations advise the following:
Interim Public Health Guidance for the Use of Facemasks and Respirators in Non-Occupational Community Settings during an Influenza Pandemic
