Table 1 Wave wise distribution of New, contact and repeat cases tested positive
COVID-19 Waves | Time Period | Total Screened Cases | Total +ve Cases | RT-PCR +ve Cases | p -value | ||
|---|---|---|---|---|---|---|---|
| Â | Â | Â | Â | New cases n (%) | Repeat Cases n (%) | Contact Cases n (%) | Â |
 Wave 1 | Mar-20 | 3290 | 252 (7.65) | 250 (99.20) | 2 (0.79) | 0 (0) | <0.0001 |
Apr-20 | 19804 | 3597 (18.16) | 2374 (65.99) | 488 (13.56) | 735 (20.43) | <0.0001 | |
| Â | May-20 | 67779 | 4900 (7.22) | 2584 (52.73) | 653 (13.32) | 1663 (33.93) | <0.0001 |
| Â | Jun-20 | 99666 | 4494 (4.50) | 2359 (52.49) | 534 (11.88) | 1601 (35.62) | <0.0001 |
| Â | Jul-20 | 86854 | 1253 (1.44) | 562 (44.85) | 143 (11.41) | 548 (43.73) | <0.0001 |
| Â | Aug-20 | 72555 | 230 (0.31) | 174 (75.65) | 12 (5.21) | 44 (19.13) | <0.0001 |
Total of wave 1 | 349948 | 14726 (4.20) | 8303 (56.38) | 1832 (12.44) | 4591 (31.17) | <0.0001 | |
 Wave 2 | Sep-20 | 105479 | 351 (0.33) | 266 (75.78) | 28 (7.97) | 57 (16.23) | <0.0001 |
| Â | Oct-20 | 97042 | 1035 (1.06) | 645 (62.31) | 84 (8.11) | 306 (29.56) | <0.0001 |
| Â | Nov-20 | 153461 | 2885 (1.87) | 1532 (53.10) | 196 (6.79) | 1157 (40.10) | <0.0001 |
| Â | Dec-20 | 144270 | 4602 (3.18) | 2182 (47.41) | 432 (9.38) | 1988 (43.19) | <0.0001 |
| Â | Jan-21 | 146219 | 5485 (3.75) | 2012 (36.68) | 500 (9.11) | 2973 (54.20) | <0.0001 |
| Â | Feb-21 | 104486 | 3239 (3.09) | 1527 (47.14) | 255 (7.87) | 1457 (44.98) | <0.0001 |
Total of wave 2 | 750957 | 17597 (2.34) | 8164 (46.39) | 1495 (8.49) | 7938 (45.10) | Â | |
 Wave 3 | Mar-21 | 206775 | 8477 (4.09) | 4077 (48.09) | 644 (7.59) | 3756 (44.30) | <0.0001 |
| Â | Apr-21 | 20326 | 13244 (65.15) | 5355 (40.43) | 653 (4.93) | 7236 (54.63) | <0.0001 |
| Â | May-21 | 194582 | 5407 (2.77) | 2032 (37.58) | 383 (7.08) | 2992 (55.33) | <0.0001 |
| Â | Jun-21 | 185206 | 864 (0.46) | 550 (63.65) | 101 (11.68) | 213 (24.65) | <0.0001 |
Total of wave 3 | 606899 | 27992 (4.61) | 12014 (42.91) | 1781 (6.36) | 14197 (50.71) | Â | |
 Wave 4 | Jul-21 | 163128 | 1740 (1.06) | 1107 (63.62) | 137 (7.87) | 496 (28.50) | <0.0001 |
| Â | Aug-21 | 163128 | 7169 (4.39) | 3903 (54.44) | 490 (6.83) | 2776 (38.72) | <0.0001 |
| Â | Sep-21 | 145006 | 5767 (3.97) | 3392 (58.81) | 428 (7.42) | 1947 (33.76) | <0.0001 |
| Â | Oct-21 | 146150 | 1776 (1.21) | 964 (54.27) | 145 (8.16) | 667 (37.55) | <0.0001 |
| Â | Nov-21 | 92712 | 435 (0.46) | 241 (55.40) | 50 (11.49) | 144 (33.10) | <0.0001 |
| Â | Dec-21 | 112689 | 331 (0.29) | 162 (48.94) | 26 (7.85) | 143 (43.20) | <0.0001 |
Total of wave 4 | 822813 | 17218 (2.09) | 9769 (56.37) | 1276 (7.41) | 6173 (35.85) | Â | |
 Wave 5 | Jan-22 | 231883 | 6311 (2.72) | 3230 (51.18) | 652 (10.33) | 2429 (38.48) | <0.0001 |
Feb-22 | 205545 | 2106 (1.02) | 1278 (60.68) | 343 (16.28) | 485 (23.02) | <0.0001 | |
| Â | Mar-22 | 147712 | 511 (0.34) | 329 (64.38) | 85 (16.63) | 97 (18.98) | <0.0001 |
| Â | Apr-22 | 73008 | 256 (0.35) | 191 (74.60) | 29 (11.32) | 36 (14.06) | <0.0001 |
| Â | May-22 | 9876 | 111 (1.12) | 85 (76.57) | 13 (11.71) | 13 (11.71) | <0.0001 |
| Â | Jun-22 | 27686 | 160 (0.57) | 115 (71.87) | 11 (6.87) | 34 (21.25) | <0.0001 |
| Â | Jul-22 | 32242 | 957 (2.96) | 582 (60.81) | 67 (7.00) | 308 (32.18) | <0.0001 |
| Â | Aug-22 | 71997 | 1370 (1.90) | 840 (61.31) | 138 (10.07) | 392 (28.61) | <0.0001 |
| Â | Sep-22 | 97042 | 285 (0.29) | 220 (77.19) | 25 (8.77) | 40 (14.03) | <0.0001 |
Oct-22 | 37813 | 119 (0.31) | 88 (73.94) | 16 (13.4) | 15 (12.60) | <0.0001 | |
Nov-22 | 40398 | 125 (0.30) | 107 (85.60) | 10 (8.00) | 7 (5.60) | <0.0001 | |
Dec-22 | 35739 | 51 (0.14) | 35 (68.62) | 3 (5.88) | 13 (25.49) | <0.0001 | |
Jan-23 | 31691 | 117 (0.36) | 86 (48.58) | 9 (7.69) | 22 (18.80) | <0.0001 | |
Feb-23 | 26400 | 196 (0.74) | 166 (84.69) | 8 (4.08) | 22 (11.22) | <0.0001 | |
Mar-23 | 28609 | 424 (1.48) | 390 (91.98) | 10 (2.35) | 24 (5.66) | <0.0001 | |
| Â | Apr-23 | 12880 | 69 (0.53) | 58 (84.05) | 7 (10.14) | 4 (5.79) | <0.0001 |
| Â | May-23 | 14709 | 116 (0.78) | 94 (81.03) | 17 (14.6) | 5 (4.31) | <0.0001 |
Total of wave 5 | 1125230 | 13390 (1.19) | 7894 (58.99) | 1458 (10.88) | 3946 (29.46) | <0.0001 | |
Grand Total | 3625248 | 90923 (2.50) | 46244 (50.86) | 7842 (8.62) | 36751 (40.41) | <0.0001 | |