title: New test method addresses medical face mask resistance to blood.
mesh_terms: D017848:Blood-Borne Pathogens; D004867:Equipment Design; D004869:Equipment Safety; D005069:Evaluation Studies as Topic; D006801:Humans; D017758:Infectious Disease Transmission, Patient-to-Professional / Q000517:prevention & control*; D008397:Masks / Q000592:standards*; D008422:Materials Testing / Q000379:methods*; D014481:United States; D016635:Universal Precautions