From: Evolution of meningococcal carriage in serogroups X and Y before introduction of MenAfriVac in the health district of Kaya, Burkina Faso
Round
Number of participants
Nm X
Nm Y
Number of carriers (%)
1
1658
5 (0.30%)
49 (2.96%)
2
1710
34 (1.99%)
79 (4.62%)
3
1639
20 (1.22%)
40 (2.44%)
4
1679
11 (0.66%)
45 (2.68%)
Total
6686
70 (1.05%)
213 (3.19%)