Table 1 Frequencies of Plasmodium falciparum and Plasmodium vivax field isolates from Manaus, Amazonas State, Brazil, with IC50 of commonly used anti-malarial drugs determined in 2004, 2005, 2006 and 2007
2004 nd/n (%) | 2005 nd/n (%) | 2006 nd/n (%) | 2007 nd/n (%) | Total nd/n (%) | |
|---|---|---|---|---|---|
P. falciparum | 16/30 (53) | 18/19 (94) | 20/22 (91) | 16/17 (94) | 70/88 (80) |
P. vivax | 11/23 (48) | 24/44 (55) | 32/38(84) | 65/73(89) | 132/178 (74) |