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| Region | # of Endemic Countries | At-Risk Population (millions) | Children at Risk (millions) |
| Africa (AFRO) | 39 | 394 | 176 |
| Americas (AMRO) | 7 | 8.87 | 3.39 |
| Eastern Mediterranean (EMRO) | 3 | 14.9 | 6.50 |
| South-east Asia (SEARO) | 9 | 851 | 297 |
| Western Pacific (WPRO) | 25 | 31.6 | 11.1 |
| TOTAL: | 83 | 1,300 | 494 |
