Volume 11, Number 11—November 2005
Neutralizing Antibody Response and SARS Severity
|Positive/negative or ND‡||126 (36.7)|
*SARS-CoV, severe acute respiratory syndrome–associated coronavirus; RT-PCR, reverse transcription–polymerase chain reaction; ND, data not available.
†Positive = NT titer of >1:16 dilution; negative = NT titer <1:16 dilution.
‡Data not available because of loss to follow-up or insufficient number of specimens (n = 8), death (n = 55), or serum collected on the 3rd week (n = 5) of fever onset.