Table 5. Weighted analysis of rotavirus genotypes identified during a 2-year surveillance study in Niamey and Maradi region, Niger, April 2010–March 2012.
| Genotype and G- and P-type | April 2010–March 2011 |
April 2011–March 2012 |
||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Niamey, n = 121 |
Maradi region, n = 194 |
Niamey, n = 49 |
Maradi region, n = 85 |
|||||||||
| No. (%) | 95% CI | No. (%) | 95% CI | No. (%) | 95% CI | No. (%) | 95% CI | |||||
| Genotype | ||||||||||||
| G1P[8] | 6 (4.8) | 2.1–10.5 | 3 (1.8) | 0.6–5.7 | 1 (1.8) | 0.2–12.4 | 4 (3.8) | 1.3–10.6 | ||||
| G2P[4] | 30 (25.1) | 18.0–33.9 | 137 (60.5) | 51.6–68.8 | 0 | – | 0 | – | ||||
| G2P[6] | 9 (6.2) | 3.2–11.6 | 5 (3.7) | 9.0–1.6 | 0 | 0 | 2 (2.7) | 0.6–10.3 | ||||
| G6P[6] | 12 (9.4) | 5.4–16.1 | 0 | – | 1 (1.3) | 0.2–9.2 | 0 | – | ||||
| G9P[8] | 8 (5.9) | 2.9–11.6 | 7 (5.9) | 2.8–11.9 | 0 | – | 1 (1.3) | 0.2–8.9 | ||||
| G12P[8] | 36 (31.4) | 23.4–40.5 | 19 (10.9) | 6.6–17.5 | 43 (89.2) | 76.3–95.5 | 56 (64.1) | 52.4–74.4 | ||||
| Others* | 15 (13.2) | 8.0–21.0 | 13 (10.0) | 5.4–17.8 | 2 (2.7) | 0.6–11.4 | 9 (12.3) | 6.1–23.3 | ||||
| Mixed |
5 (4.0) |
1.6–9.6 |
|
10 (7.1) |
3.5–13.7 |
|
2 (5.1) |
1.2–19.3 |
|
13 (15.8) |
9.1–26.1 |
|
| G-type† | ||||||||||||
| G1 | 10 (8.1) | 4.3–14.7 | 4 (2.7) | 1.0–7.1 | 2 (4.8) | 1.1–18.7 | 4 (3.7) | 1.3–10.6 | ||||
| G2 | 51 (41.9) | 33.2–51.1 | 148 (66.5) | 57.5–74.4 | 0 | – | 6 (7.9) | 3.5–16.7 | ||||
| G3 | 3 (2.7) | 0.8–8.5 | 17 (16.0) | 10.0–24.7 | 0 | – | 5 (6.0) | 2.4–14.3 | ||||
| G6 | 13 (10.3) | 6.0–17.2 | 1 (0.1) | 0.0–1.0 | 2 (3.0) | 0.7–12.3 | 0 | – | ||||
| G9 | 10 (7.2) | 3.8–13.1 | 13 (11.1) | 6.4–18.5 | 1 (2.1) | 0.3–14.2 | 9 (10.0) | 5.0–18.7 | ||||
| G12 |
36 (31.4) |
23.4–40.5 |
|
20 (11.1) |
6.8–17.6 |
|
46 (95.2) |
85.3–98.5 |
|
71 (82.8) |
72.3–89.9 |
|
| P-type† | ||||||||||||
| P[4] | 32 (27.0) | 19.7–35.9 | 145 (67.8) | 59.1–75.4 | 0 | – | 0 | – | ||||
| P[6] | 27 (20.1) | 13.9–28.0 | 14 (9.7) | 5.6–16.2 | 2 (2.2) | 0.5–9.0 | 13 (17.6) | 10.1–28.9 | ||||
| P[8] | 63 (53.7) | 44.6–62.6 | 38 (23.6) | 16.9–31.9 | 47 (97.8) | 91.0–99.5 | 72 (83.7) | 72.9–90.7 | ||||
*Including G1P[6] (2), G2P[8] (9), G3P[4] (5), G3P[6] (7), G3P[8] (2), G6P[8] (3), and G12P[6] (7). †Mixed infections counted in each G- or P-type found, potentially leading to a total number greater than N.