Li-Ping Wu*, Nai-Chang Wang*, Yi-Hua Chang*, Xiang-Yi Tian*, Dan-Yu Na*, Li-Yuan Zhang*, Lei Zheng*, Tao Lan†, Lin-Fa Wang‡, and Guo-Dong Liang§
Figure 2. Change of immunoglobulin G (IgG) patterns among 18 convalescent severe acute respiratory syndrome patients with a complete collection of sequential serum samples at the time points shown. The 18 patients were selected from the cohort of 176 patients for whom transmission history was known. OD, optical density.