Po-Ren Hsueh*, Pei-Jer Chen*, Cheng-Hsiang Hsiao*, Shiou-Huei Yeh†, Wen-Chen Cheng*, Jiun-Ling Wang*, Bor-Luen Chiang*, Shan-Chwen Chang*, Feng-Yee Chang‡, Wing-Wai Wong§, Chuan-Liang Kao*1
, Pan-Chyr Yang*1
, and the SARS Research Group of National Taiwan University College of Medicine and National Taiwan University Hospital
Figure 1. Two clusters involving nine patients with severe acute respiratory syndrome (SARS) who were initially treated at National Taiwan University Hospital. A: One cluster was composed of four patients; two acquired SARS through household contact with an index patient, who had returned from Guangdong Province in China; the fourth was a healthcare worker caring for patient 2. B: The second cluster was composed of four fellow passengers in an airplane (patients 5–8), who sat near a symptomatic patient with SARS (patient X) within the airplane, and one patient (patient 9), who had subsequent close contact with patient 5. Square, male patient; circle, female patient; black, probable case of SARS; blank, healthy person; shading, date of the onset of symptoms; HCW, healthcare worker.