Survey on the use of air cleaning techniques in hospital outpatient and emergency departments
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.
COVID-19outpatient and emergencyair cleaningair sterilizer
万方数据
维普
