Assessment the protection performance of different level personal respiratory protection masks against viral aerosol.
作者： ZhanBo Wen , Long Yu , WenHui Yang , LingFei Hu , Na Li
DOI: 10.1007/S10453-012-9286-7
关键词:
摘要: New viral disease such as SARS and H1N1 highlighted the vulnerability of healthcare workers to aerosol-transmitted infections. This paper was assess protection performance different level personal respiratory equipments against aerosol. Surgical masks, N95 masks N99 were purchased from market. The sealed onto manikin in aerosol testing chamber. Viral generated then sampled simultaneously before after tested mask using biosamplers. allows a percentage efficiency value be calculated test phage SM702 aerosols which surrogates pathogens At same time, face fit factor determined by TSI8020. particles aerodynamic diameter 0.744 μm, GSD 1.29. material all >95 %. All five surgical 160. G model 8.2. performances or many times higher than when considering factor. cannot offer sufficient inhalation because they provide close seal.
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