Table 1 Number of samples for this study and results of microscopic examination [12]
From: Human infection with Plasmodium knowlesi on the Laos-Vietnam border
| Â | Laos | Vietnam |
|---|---|---|
No. of blood examinations | 1256 | 1803 |
No. of Plasmodium spp. positive by microscopy | 63 | 33 |
Detected Plasmodium species by microscopy | ||
 P. falciparum | 30 | 18 |
 P. vivax | 32 | 14 |
 P. falciparum + P. vivax | 1 | 1 |
No. of microscopy positive by age group | ||
 ≤ 5 years | 12 | 5 |
 6–14 years | 33 | 12 |
 ≥ 15 years | 18 | 16 |
No. of microscopy positive by gender | ||
 Male | 30 | 18 |
 Female | 33 | 15 |