Duration of Antibody Responses after Severe Acute Respiratory Syndrome

Duration of Antibody Responses after Severe Acute Respiratory Syndrome

Liping Wu, Nai-Chang Wang, Yi-Hua Chang, Xiang-Yi Tian, Dan-Yu Na, Liyuan Zhang, Lei Zheng, Tao Lan, Lin-Fa Wang, Guo-Dong Liang

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 >3 years after initial exposure.

2007

SARS, convalescent, Antibodies, longitudinal study, dispatch, China

DOI: 10.3201/eid1310.070576

Emerging Infectious Diseases

Centers for Disease Control and Prevention

Infectious and parasitic diseases, Medicine

EN