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. 2007 Oct;13(10):1562-4.
doi: 10.3201/eid1310.070576.

Duration of antibody responses after severe acute respiratory syndrome

Li-Ping Wu  1 , Nai-Chang Wang, Yi-Hua Chang, Xiang-Yi Tian, Dan-Yu Na, Li-Yuan Zhang, Lei Zheng, Tao Lan, Lin-Fa Wang, Guo-Dong Liang
Affiliations

Duration of antibody responses after severe acute respiratory syndrome

Li-Ping Wu et al. Emerg Infect Dis. 2007 Oct.

Abstract

Among 176 patients who had had severe acute respiratory syndrome (SARS), SARS-specific antibodies were maintained for an average of 2 years, and significant reduction of immunoglobulin G-positive percentage and titers occurred in the third year. Thus, SARS patients might be susceptible to reinfection >or=3 years after initial exposure.

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Figures

Figure 1
Figure 1
Change of immunoglobulin G (IgG) patterns among 176 convalescent severe acute respiratory syndrome patients with known transmission history. See the Table for number of samples used for the calculation at each time point. OD, optical density.
Figure 2
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.
See this image and copyright information in PMC

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