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Previous Volume 357:1162-1163 September 13, 2007 Number 11 Next

	Since this article has no abstract, we have provided an extract of the first 100 words of the full text and any section headings.

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To the Editor: Previous studies have demonstrated that IgG and neutralizing antibodies against coronavirus associated with the severe acute respiratory syndrome (SARS) may persist, in spite of a decline in titer, for 2 years in patients who have recovered from SARS.^1,2 For 3 years, we followed patients who had recovered from infection with SARS-associated coronavirus, to measure the longevity of specific antibodies.

Fifty-six patients who were positive for serum IgG and neutralizing antibodies against SARS-associated coronavirus at the time of recovery from acute SARS infection were included in this study.¹ The titers of IgG and neutralizing antibodies were significantly correlated . . . [Full Text of this Article]

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