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Table 1 Result interpretation by the Binax Now® RDT

From: Comparative evaluation of two rapid field tests for malaria diagnosis: Partec Rapid Malaria Test® and Binax Now® Malaria Rapid Diagnostic Test

Positive Test

Negative Test

Invalid Test

Line

Interpretation

Line

Interpretation

Line

Interpretation

C plus T1

Positive for

C only

Negative

No Line

Invalid test.

 

P. falciparum only

   

Repeat test with a new kit.

C plus T2

Positive for

  

T1 or T2 only

Invalid test. Repeat

 

P. vivax or

   

test with a new kit.

 

P. malariae or

    
 

P. ovale or a mix of these. Differentiation of the species is not possible.

    

C plus T1

Positive for

  

T1 and T2 only

Invalid test. Repeat

and T2

P. falciparum. It may also represent a mixed infection of

   

test with a new kit.

 

P. falciparum with

    
 

P. vivax,

    
 

P. malariae, or

    
 

P. ovale. Differentiation between a Pf only infection and a mixed infection containing Pf and

    
 

another malaria species is not possible with this test.

    
  1. Source: Binax NOW® reagent package insert, 2007 page 6.