- 非典型肺炎 fēidiǎnxíngfèiyán atypical pneumoniatype of pneumonia not caused by traditional pathogens (like Streptococcus pneumoniae), often caused by viruses, mycoplasma, or legionella
- 预防非典型性肺炎 yùfángfēidiǎnxíngxìngfèiyán prevent SARSto prevent and control the spread of atypical pneumonia, specifically Severe Acute Respiratory Syndrome