Figure 1: The S gene drop-out per week and its month wise proportion. (A) Cumulative data of seven days was taken on X-axis. Stacked bar was drawn between count of S gene drop-out and triple positives whereas the line graph represents proportion of S gene drop-out. RT-PCR kit other than Taqpath kit was used between January 15 and 21 and so that duration was excluded. (B) Significant at *P<0.05 and **P<0.01 by Fisher exact test.