Comparison of Mask Types Finds Key Differences in Filtration Comparison of Mask Types Finds Key Differences in Filtration

N95 masks that are well past their expiration date or have been used and re-sterilized are acceptable alternatives to standard new single-use N95 masks, a new study shows.Medscape Medical News
Source: Medscape Emergency Medicine Headlines - Category: Emergency Medicine Tags: Infectious Diseases News Source Type: news