SARS epidemical region means the region that has original cases, and has transmission of SARS, not include those established input cased; and transmission of that input cases.

• 答：非典型肺炎流行区是指有原发非典型肺炎病例，并造成传播的地区，不包括已明确为输入性病例，并由该输入性病例造成一定传播的地区。