Table 5 Estimated importations of polio infections into India (2010-2013)
From: Potential for international spread of wild poliovirus via travelers
Country | Travelers to Indiaa | Polio casesd | Asymptomatic polio | Vaccination coveragee | Population sizef | Importation |
|---|---|---|---|---|---|---|
2010 | ||||||
Pakistan | 51,749 | 144 | 28,800 | 0.82 | 173,149,306 | 3 |
Nigeria | 23,893 | 21 | 4,200 | 0.54 | 159,707,780 | 0 |
Afghanistan | 73,389 | 25 | 5,000 | 0.66 | 28,397,812 | 4 |
Niger | 475 | 2 | 400 | 0.75 | 15,893,746 | 0 |
Chad | 212 | 26 | 5,200 | 0.43 | 11,720,781 | 0 |
DRC | NA | 100 | 20,000 | 0.76 | 62,191,161 | NC |
Angola | 1,620 | 33 | 6,600 | 0.92 | 19,549,124 | 0 |
Mali | 495 | 4 | 800 | 0.8 | 13,985,961 | 0 |
Congo | 1,930 | 441 | 88,200 | 0.9 | 4,111,715 | 14 |
India | NA | 42 | 8,400 | 0.7 | 1,205,624,648 | NC |
Uganda | 3,011 | 4 | 800 | 0.79 | 33,987,213 | 0 |
Russia | 122,048 | 14 | 2,800 | 0.98 | 142,385,523 | 1 |
Liberia | 177 | 2 | 400 | 0.71 | 3,957,990 | 0 |
Nepal | 104,374 | 6 | 1,200 | 0.83 | 26,846,016 | 2 |
Kazakhstan | 8,786 | 1 | 200 | 0.98 | 16,321,581 | 0 |
Tajikistan | NA | 460 | 92,000 | 0.95 | 7,627,326 | NC |
Turkmenistan | NA | 3 | 600 | 0.96 | 5,041,995 | NC |
Senegal | NA | 18 | 3,600 | 0.79 | 12,950,564 | NC |
Mauritania | 131 | 5 | 1,000 | 0.52 | 3,609,420 | 0 |
Sierra Leone | NA | 1 | 200 | 0.84 | 5,751,976 | NC |
TOTAL | 392,290 | 1,352 | 270,400 | 1,952,811,638 | 24 | |
2011 | ||||||
Pakistan | 48,640 | 198 | 39,600 | 0.75 | 176,166,353 | 4 |
Nigeria | 33,537 | 62 | 12,400 | 0.49 | 164,192,925 | 1 |
Afghanistan | 89,605 | 80 | 16,000 | 0.68 | 29,105,480 | 16 |
Kenya | 30,045 | 1 | 200 | 0.88 | 42,027,891 | 0 |
Niger | 600 | 5 | 1,000 | 0.44 | 16,511,462 | 0 |
Chad | 1,198 | 132 | 26,400 | 0.4 | 12,080,037 | 1 |
DRC | NA | 93 | 18,600 | 0.77 | 63,931,512 | NC |
CAR | 37 | 4 | 800 | 0.47 | 4,436,217 | 0 |
China | 142,218 | 21 | 4,200 | 0.99 | 1,344,130,000 | 0 |
Guinea | 341 | 3 | 600 | 0.63 | 11,161,530 | 0 |
Cote d’Ivoire | 637 | 36 | 7,200 | 0.58 | 19,389,954 | 0 |
Angola | 1,891 | 5 | 1,000 | 0.85 | 20,180,490 | 0 |
Mali | 815 | 7 | 1,400 | 0.78 | 14,416,737 | 0 |
Congo | 3,623 | 1 | 200 | 0.9 | 4,225,359 | 0 |
Gabon | 226 | 1 | 200 | 0.75 | 1,594,034 | 0 |
India | NA | 1 | 200 | 0.7 | 1,221,156,319 | NC |
TOTAL | 353,413 | 650 | 130,000 | 3,144,706,300 | 22 | |
2012 | ||||||
Pakistan | 58,846 | 58 | 11,600 | 0.72 | 179,160,111 | 1 |
Nigeria | 36,762 | 122 | 24,400 | 0.52 | 168,833,776 | 2 |
Afghanistan | 95,231 | 37 | 7,400 | 0.71 | 29,824,536 | 8 |
Niger | 497 | 1 | 200 | 0.78 | 17,157,042 | 0 |
Chad | 194 | 5 | 1,000 | 0.56 | 12,448,175 | 0 |
TOTAL | 191,530 | 223 | 44,600 | 407,423,640 | 11 | |
2013 | ||||||
Pakistan | 111,794c | 93 | 18,600 | 0.72 | 182,142,594 | 4 |
Afghanistan | 111,370c | 14 | 2,800 | 0.71 | 30,551,674 | 3 |
Nigeria | 34,522b | 53 | 10,600 | 0.67 | 173,615,345 | 1 |
Somalia | 462b | 194 | 38,800 | 0.47 | 10,495,583 | 1 |
Syria | 35,686b | 35 | 7,000 | 0.52 | 22,850,000 | 4 |
Ethiopia | 18,106b | 9 | 1,800 | 0.7 | 94,100,756 | 0 |
Kenya | 40,484c | 14 | 2,800 | 0.82 | 44,353,691 | 1 |
Cameroon | 1,515b | 4 | 800 | 0.88 | 21,699,631 | 0 |
TOTAL | 353,939 | 416 | 83,200 | 579,809,274 | 13 | |