| Taiwan | China | Hong Kong | Singapore | Malaysia | Thailand | Japan | Vietnam |
---|---|---|---|---|---|---|---|---|
 | n = 150 | n = 128 | n = 50 | n = 47 | n = 64 | n = 123 | n = 6 | n = 24 |
Serotype K1 | 11 (7.3) | 9 (7) | 5 (10) | 5 (10.6) | 8 (12.5) | 0 (0) | 1 (16.7) | 0 (0) |
Serotype K2 | 6 (4) | 6 (4.7) | 1 (2) | 2 (4.3) | 1 (1.6) | 3 (2.7) | 0 (0) | 0 (0) |