Table 1.

Elevation of salivary anit-dengue antibodies in dengue and nondengue patients

Diagnostic groupNo. of patients with elevated salivary antibody/total no. of patients (%) with:
IgM ratio of ≥0.6IgG ratio of ≥0.6IgM ratio of ≥0.6 or IgG ratio of ≥0.6
Primary dengue2/2 (100%)0/2 (0%)2/2 (100%)
Secondary infection9/22 (41%)19/22 (86%)20/22 (91%)
No evidence of active dengue0/11 (0%)0/11 (0%)0/11 (0%)
Laboratory staff0/17 (0%)0/17 (0%)0/17 (0%)