Volume 17, Number 10—October 2011
Research
Plasmodium knowlesi Malaria in Humans and Macaques, Thailand
Somchai Jongwutiwes
, Pattakorn Buppan, Rattiporn Kosuvin, Sunee Seethamchai, Urassaya Pattanawong, Jeeraphat Sirichaisinthop, and Chaturong Putaporntip
, Pattakorn Buppan, Rattiporn Kosuvin, Sunee Seethamchai, Urassaya Pattanawong, Jeeraphat Sirichaisinthop, and Chaturong PutaporntipTable 1
Distribution of Plasmodium species in 3,770 febrile patients, Thailand, October 2008–September 2009
| Species detected by PCR |
Microscopy-based detection | PCR detection |
|||||
|---|---|---|---|---|---|---|---|
| P. falciparum |
P. vivax |
P. malariae |
P. ovale |
P. falciparum and P. vivax |
Negative |
||
| P. falciparum | 1,397 | 78 | 0 | 0 | 2 | 79 | 1,556 |
| P. vivax | 52 | 1,301 | 0 | 0 | 1 | 68 | 1,422 |
| P .malariae | 1 | 1 | 1 | 0 | 0 | 0 | 3 |
| P .ovale | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| P. knowlesi | 3 | 3 | 1 | 0 | 0 | 1 | 8 |
| P. falciparum and P. vivax | 211 | 181 | 0 | 0 | 3 | 37 | 432 |
| P. falciparum and P. malariae | 1 | 0 | 0 | 0 | 0 | 1 | 2 |
| P. falciparum and P. ovale | 3 | 0 | 0 | 0 | 0 | 0 | 3 |
| P. falciparum and P. knowlesi | 6 | 0 | 0 | 0 | 0 | 0 | 6 |
| P. vivax and P. malariae | 0 | 3 | 0 | 0 | 0 | 0 | 3 |
| P. vivax and P. ovale | 1 | 1 | 0 | 0 | 0 | 0 | 2 |
| P. vivax and P. knowlesi | 3 | 1 | 0 | 0 | 0 | 0 | 4 |
| P. falciparum, P. vivax, and P. knowlesi | 2 | 3 | 0 | 0 | 0 | 0 | 5 |
| Negative |
21 |
19 |
0 |
0 |
0 |
284 |
324 |
| Total | 1,701 | 1,591 | 2 | 0 | 6 | 470 | 3,770 |
