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.
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Antibodies, Viral / blood
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Antibodies, Viral / immunology*
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Antibody Formation / immunology*
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China
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Humans
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Immunoglobulin G / blood*
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Longitudinal Studies
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Severe Acute Respiratory Syndrome / immunology*
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Severe acute respiratory syndrome-related coronavirus / immunology*
Substances
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Antibodies, Viral
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Immunoglobulin G