Objective To understand the air purification methods for outpatient and emergency medical institutions before and during the coronavirus disease(COVID-19)pandemic.Methods A stratified sampling method was used to select 340 hospitals of different levels and types from 7 provinces in 7 regions of China,and the air cleaning techniques in outpatient and emergency departments before and during the COVID-19 pandemic(January 2021 as the boundary)were investigated by questionnaire.Results A total of 340 hospitals were surveyed.Before COVID-19,the use rate of natural ventilation was the highest in different outpatient and emergency areas.During the COVID-19 pandemic,42.44％of the outpatient hall,44.00％of the internal medicine consultation area,and 44.50％of the emergency departmentsin hospitals changed the air cleaning techniques,mainly by adding air sterilizers.Conclusion COVID-19 has promoted the level of air purification in hospitals.The air purification method in hospital is changed from natural ventilation to air sterilizer.
关键词
新冠病毒感染/门急诊/空气净化/空气消毒机
Key words
COVID-19/outpatient and emergency/air cleaning/air sterilizer
维普
万方数据