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Table 4 Stepwise genotyping of msp2 and msp1 in paired samples collected from children with uncomplicated P. falciparum malaria participating in an anti-malarial drug trial in Zanzibar.

From: Optimization and validation of multi-coloured capillary electrophoresis for genotyping of Plasmodium falciparum merozoite surface proteins (msp1 and 2)

    msp2 msp1
Outcome Child (study ID) Daya FC27b ICb K1b MAD20b RO33b
Recrudescences K152 0 - 599.84
505.26
- - 157.51
  K152 21 - 599.76 - - 157.50
  K97 0 - 559.63 246.15 - -
  K97 21 - 559.62 246.05 - -
  M107 0 - 523.93 - 220.00 -
  M107 21 - 523.93 - 220.00 -
  M131 0 - 487.40 - 202.01 -
  M131 21 - 487.33 - 202.01 -
  M152 0 - 528.70 219.25 - -
  M152 21 - 528.61 219.26 - -
New infections K108 0 336.25 515.38 - - 157.53
  K108 42 336.25 - 246.43 - -
  K149 0 336.30 452.49 182.77 201.89 -
  K149 28 336.24 580.85 300.79 210.91 -
  M161 0 336.30 531.02 138.73
146.36
210.81
220.07
-
  M161 21 335.75
419.85
622.87 182.72
210.17
192.88 157.62
  M164 0 336.30
419.71
632.64
620.97
228.45 - -
  M164 28 336.30 560.93 255.70
264.91
- 157.53
  M165 0 335.91
373.27
464.33 210.07 210.81 157.61
  M165 28 372.97
419.71
- 228.28 - -
  M173 0 372.85 531.85 246.31 220.0
228.15
-
  M173 42 372.14 499.35
564.54
201.10
264.10
246.88 -
  1. Outcome classified by msp2 followed by msp1 genotyping to confirm recrudescence (bold) or new infection.
  2. a Paired blood samples collected before initiation of anti-malarial treatment (day 0) and at day of recurrent parasitaemia (days 21–42)
  3. b Fragment sizes in bp
  4. - negative result