Table 1 Prevalence of pvdhfr mutant alleles in P.vivax isolates from Central China

N(%)

57

58

61

117

173

Wild type

F

S

T

S

I

Huaiyuan County

17(27.0)

F

S

T

S

I

0

F

R

T

S

I

9(14.3)

F

S

M

S

I

23(36.5)

F

S

T

N

I

10(15.9)

F

R

T

N

I

4(6.3)

F

S

M

N

I

Mengcheng County

11(21.2)

F

S

T

S

I

2(3.8)

F

R

T

S

I

4(7.7)

F

S

M

S

I

7(13.5)

F

S

T

N

I

17(32.6)

F

R

T

N

I

11(21.2)

F

S

M

N

I

Yongcheng County

8(12.7)

F

S

T

S

I

2(3.2)

F

R

T

S

I

9(14.3)

F

S

M

S

I

8(12.7)

F

S

T

N

I

15(23.8)

F

R

T

N

I

21(33.3)

F

S

M

N

I

Guangshui City

4(44.4)

F

S

T

S

I

0

F

R

T

S

I

0

F

S

M

S

I

1(11.2)

F

S

T

N

I

4(44.4)

F

R

T

N

I

0

F

S

M

N

I

Total

187