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?:abstract
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Coronavirus disease 2019 (COVID-19) spread throughout China, which causing a wide scale of infections among medical staff For the purpose of improving the protection level of medical staff, this article discusses measures to improve the respiratory protection in medical personnel By analyzing the transmission characteristics of SARS virus and novel coronavirus (SARS-CoV-2) and the infection status of medical staff in the earliest stage of outbreak, to explore the possible causes of infection and the recommended protective measures in medical staff to be taken This article comprehensively introduced the performance of various types of protective masks in China, as well as the manufacturing standards, protective performance, and application scope of medical and industrial protective masks in China and the Western world It is proposed that the level of respiratory protection of medical staff should be improved, and medical staff in isolation wards should be equipped with protective masks of medical grade II or higher In case of shortage, medical N95 masks and medical surgical masks could be used instead of At present, medical N95 masks as the main respiratory protection measures for medical staff could not reach the requirements to avoid infection of medical personnel The selection standard of protective masks in medical workplace should be elevated, at the meanwhile, certain types of protective masks should be applied appropriately to protect medical staff from accidentally infection
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