Table 1

 Samples for RT-PCR in probable and confirmed SARS

Probable SARS (n = 20)
Positive convalescent antibody, confirmed case (n = 17)Negative convalescent antibody, excluded cases (n = 3)
No of patient with positive RT-PCR (%)No of patient with positive RT-PCR (%)
*Fisher’s exact test, two tail.
Nasopharyngeal aspirate and stool5 (29.4)0 (0)
Tear swab0 (0) *p = 0.04440 (0)
Conjunctival scraping0 (0) *p = 0.04440 (0)