Table 1.
Areas and populations at risk* of Plasmodium vivax malaria in 2010 by World Health Organization region2
| Area (million km2) | Population (million) | |||||
|---|---|---|---|---|---|---|
| Unstable | Stable | Any risk | Unstable | Stable | Any risk | |
| African region | 17.36 | 1.47 | 18.83 | 19.23 | 36.80 | 56.02 |
| Region of the Americas | 1.38 | 8.08 | 9.46 | 87.66 | 49.79 | 137.45 |
| Eastern Mediterranean region | 4.24 | 0.60 | 4.84 | 176.11 | 47.37 | 223.48 |
| European region | 0.40 | 0.02 | 0.42 | 15.72 | 1.40 | 17.12 |
| Southeast Asia region | 2.11 | 3.88 | 5.99 | 691.71 | 748.38 | 1,440.09 |
| Western Pacific region | 3.06 | 1.30 | 4.36 | 533.04 | 81.16 | 614.20 |
| World | 28.55 | 15.35 | 43.90 | 1,523.47 | 964.90 | 2,488.37 |
*
Risk is stratified into unstable risk (Plasmodium vivax annual parasite incidence [PvAPI] < 0.1 per 1,000 people per annum) and stable risk (PvAPI ≥ 0.1 per 1,000 people per annum).