Mesh : Betacoronavirus COVID-19 Coronavirus Coronavirus Infections / epidemiology prevention & control Disease Transmission, Infectious / prevention & control Guidelines as Topic Humans Infection Control / organization & administration Pandemics / prevention & control Personal Protective Equipment / standards Pneumonia, Viral / epidemiology prevention & control Primary Prevention / methods standards SARS-CoV-2 Safety / standards Safety Management
来 源: DOI:10.3760/cma.j.cn112338-20200421-00609