Volume 20, Number 10—October 2014
Letter
Imported Malaria in China, 2012
Table
Malaria cases imported into China from other countries, by country and Plasmodium species, 2012
| Country of origin | Total, n = 2,428, no. (%) | Species, no. (%) |
|||||
|---|---|---|---|---|---|---|---|
| P. falciparum, n = 1,423 | P. vivax, n = 909 | P. malariae, n = 20 | P. ovale, n = 42 | Mixed, n = 21 | Unclassified, n = 13 | ||
| Africa | 1,458 (60.0) | 1,187 (83.4) | 192 (21.1) | 16 (80.0) | 40 (95.2) | 12 (57.1) | 11 (84.6) |
| Ghana | 241 | 207 | 21 | 4 | 2 | 3 | 4 |
| Equatorial Guinea | 233 | 187 | 25 | 2 | 15 | 3 | 1 |
| Nigeria | 197 | 172 | 19 | 1 | 5 | 0 | 0 |
| Angola | 151 | 127 | 13 | 4 | 5 | 0 | 2 |
| Guinea | 60 | 56 | 3 | 0 | 1 | 0 | 0 |
| Sudan | 50 | 34 | 16 | 0 | 0 | 0 | 0 |
| Liberia | 45 | 32 | 10 | 1 | 1 | 1 | 0 |
| Republic of Congo | 43 | 34 | 4 | 1 | 2 | 2 | 0 |
| Sierra Leone | 42 | 36 | 3 | 0 | 1 | 1 | 1 |
| Gabon | 37 | 31 | 4 | 0 | 2 | 0 | 0 |
| Democratic Republic of Congo | 36 | 28 | 6 | 0 | 1 | 1 | 0 |
| Ethiopia | 30 | 9 | 21 | 0 | 0 | 0 | 0 |
| Mozambique | 20 | 18 | 2 | 0 | 0 | 0 | 0 |
| Cameroon | 18 | 12 | 6 | 0 | 0 | 0 | 0 |
| Côte d’Ivoire | 17 | 17 | 0 | 0 | 0 | 0 | 0 |
| Mali | 17 | 15 | 2 | 0 | 0 | 0 | 0 |
| Tanzania | 17 | 15 | 2 | 0 | 0 | 0 | 0 |
| Zambia | 16 | 15 | 1 | 0 | 0 | 0 | 0 |
| Uganda | 16 | 11 | 4 | 0 | 1 | 0 | 0 |
| South Sudan | 16 | 16 | 0 | 0 | 0 | 0 | 0 |
| Chad | 11 | 8 | 3 | 0 | 0 | 0 | 0 |
| Malawi | 10 | 8 | 1 | 0 | 1 | 0 | 0 |
| Central African Republic | 8 | 7 | 0 | 1 | 0 | 0 | 0 |
| South Africa | 8 | 4 | 2 | 1 | 1 | 0 | 0 |
| Senegal | 5 | 4 | 1 | 0 | 0 | 0 | 0 |
| Benin | 5 | 4 | 1 | 0 | 0 | 0 | 0 |
| Burkina Faso | 5 | 5 | 0 | 0 | 0 | 0 | 0 |
| Kenya | 5 | 4 | 1 | 0 | 0 | 0 | 0 |
| Madagascar | 5 | 5 | 0 | 0 | 0 | 0 | 0 |
| Niger | 4 | 4 | 0 | 0 | 0 | 0 | 0 |
| Libya | 3 | 1 | 2 | 0 | 0 | 0 | 0 |
| Zimbabwe | 2 | 2 | 0 | 0 | 0 | 0 | 0 |
| Togo | 2 | 2 | 0 | 0 | 0 | 0 | 0 |
| Rwanda | 2 | 1 | 1 | 0 | 0 | 0 | 0 |
| Mauritania | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
| Egypt | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
| Algeria | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
| Unknown |
78 |
55 |
16 |
1 |
2 |
1 |
3 |
| Southeast Asia | 895 (36.9) | 224 (15.7) | 658 (72.4) | 3 (15.0) | 1 (2.4) | 9 (42.9) | 0 |
| Myanmar | 764 | 198 | 557 | 2 | 1 | 6 | 0 |
| Cambodia | 49 | 1 | 46 | 1 | 0 | 1 | 0 |
| Laos | 36 | 4 | 32 | 0 | 0 | 0 | 0 |
| Indonesia | 35 | 17 | 16 | 0 | 0 | 2 | 0 |
| East Timor | 3 | 0 | 3 | 0 | 0 | 0 | 0 |
| Vietnam | 5 | 3 | 2 | 0 | 0 | 0 | 0 |
| Thailand | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
| Malaysia | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
| Unknown |
1 |
0 |
1 |
0 |
0 |
0 |
0 |
| Southern Asia | 45 (1.8) | 4 (0.3) | 39 (4.3) | 0 | 1 (2.4) | 0 | 1 (7.7) |
| Pakistan | 29 | 4 | 24 | 0 | 1 | 0 | 0 |
| India | 14 | 0 | 13 | 0 | 0 | 0 | 1 |
| Afghanistan |
2 |
0 |
2 |
0 |
0 |
0 |
0 |
| Eastern Asia | 2 (0.1) | 0 | 2 (0.2) | 0 | 0 | 0 | 0 |
| South Korea | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
| North Korea |
1 |
0 |
1 |
0 |
0 |
0 |
0 |
| Oceania | 6 (0.2) | 2 (0.2) | 4 (0.5) | 0 | 0 | 0 | 0 |
| Papua New Guinea |
6 |
2 |
4 |
0 |
0 |
0 |
0 |
| Latin America | 1 (0.1) | 0 | 1 (0.1) | 0 | 0 | 0 | 0 |
| Brazil |
1 |
0 |
1 |
0 |
0 |
0 |
0 |
| Unknown | 21 (0.9) | 6 (0.4) | 13 (1.4) | 1 (5.0) | 0 | 0 | 1 (7.7) |
National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention, Shanghai, China;
MOH Key Laboratory of Parasite and Vector Biology, Shanghai;
World Health Organization Collaborating Centre for Malaria, Schistosomiasis and Filariasis, Shanghai
1These authors contributed equally to this article.
Page created: September 23, 2014
Page updated: September 23, 2014
Page reviewed: September 23, 2014
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