Table 1 Month wise distribution of clinically diagnosed and serologically positive cases amongst primary and secondary cases during the DF outbreak, 2003
From: Eco-epidemiological analysis of dengue infection during an outbreak of dengue fever, India
Month | Total Suspected cases | Serologically Positive cases (%) | Primary infection (IgM Positivity) | Secondary infection (IgM+ IgG Positivity) | Suspected secondary infection (IgG Positivity) |
|---|---|---|---|---|---|
August | 12 | 3 (0.34%) | 1 (0.5%) | 1 (0.26%) | 1 (0.32%) |
September | 157 | 68 (7.6%) | 17 (8.6%) | 24 (6.3%) | 27 (8.6%) |
October | 982 | 583 (65.3%) | 126 (63.3%) | 246 (64.57%) | 211 (67.4%) |
November | 362 | 230 (25.76%) | 49 (24.6%) | 110 (28.87%) | 71 (22.68%) |
December | 37 | 9 (1%) | 6 (3%) | 0 (0%) | 3 (1%) |
Total | 1550 | 893 (57.36%) | 199 (22.28%) | 381 (42.67%) | 313 (35.05%) |