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Table 1 Infection patterns of the Plasmodium falciparum isolates from Candeias do Jamari and Peixoto de Azevedo analysed by Nested PCR.

From: Evaluation of the genetic polymorphism of Plasmodium falciparum P126 protein (SERA or SERP) and its influence on naturally acquired specific antibody responses in malaria-infected individuals living in the Brazilian Amazon

Complexity

infection

OR

fragments

(bp)

Candeias do Jamari (CJ)

Peixoto de Azevedo

(PA)

1993

2003

n (%)

n (%)

Single infections1

    
 

I (175)

3 (3%)

4 (5%)

27 (28%)a, b

 

II (199)

95 (92%)

70 (90%)

49 (51%)c, d

Mixed infection2

    
 

I + II (175/199)

5 (5%)

4 (5%)

20 (21%)e, f

Total

 

103 (100%)

78 (100%)

96 (100%)

  1. 1Isolates with one fragment; 2Isolates with two fragments; bp: base pair; n: number of isolates (the percentage of isolates is given in parentheses); a: P < 0.0001, PA > CJ-1993; b: P < 0.0001, PA > CJ-2002; c: P < 0.0001, PA < CJ-1993; d: P < 0.0001, PA < CJ-2002; e: P = 0.001, PA > CJ-1993; f: P = 0.003, PA > CJ-2002. The chi-square test was used to analyse the difference in allelic frequencies.