Table 3.
Symptoms | Species | Study visit | |||||||||
1 | 2 | 3 | 4 | 5 | |||||||
RDT | Microscopy | RDT | Microscopy | RDT | Microscopy | RDT | Microscopy | RDT | Microscopy | ||
Yes | P. falciparum | – | 3 | 4 | 0 | 0 | 3 | 1 | 1 | 0 | 0 |
P. vivax | – | 2 | 4 | 8 | 2 | 4 | 0 | 0 | 0 | 2 | |
Mixed | – | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | |
No. tested | – | 218 | 307 | 308 | 182 | 182 | 205 | 205 | 137 | 137 | |
No | P. falciparum | – | 5 | 4 | 3 | 3 | 3 | 3 | 1 | 0 | 1 |
P. vivax | – | 12 | 5 | 5 | 2 | 5 | 3 | 3 | 0 | 1 | |
Mixed | – | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | |
No. tested | – | 864 | 1389 | 1388 | 1396 | 1396 | 1563 | 1563 | 1540 | 1540 | |
Total | P. falciparum | – | 8 | 8 | 3 | 3 | 6 | 4 | 2 | 0 | 1 |
P. vivax | – | 14 | 9 | 13 | 4 | 9 | 3 | 3 | 0 | 3 | |
Mixed | – | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | |
No. tested | – | 1082 | 1696 | 1696 | 1578 | 1578 | 1768 | 1768 | 1677 | 1677 | |
Prevalence (%) | P. falciparum | – | 0.6 | 0.4 | 0.1 | 0.1 | 0.3 | 0.2 | 0.1 | 0.0 | 0.0 |
P. vivax | – | 1.0 | 0.4 | 0.6 | 0.2 | 0.4 | 0.1 | 0.1 | 0.0 | 0.1 | |
Mixed | – | 0.0 | 0.0 | 0.0 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
Dates of study visits: 1, April–May 2018; 2, September–October 2018; 3, May–June 2019; 4, September–October 2019; and 5, October–November 2020. Symptoms (at least one present within the past 2 weeks): fever, chills, sweating, headache, nausea, vomiting, myalgia and arthralgia.