Table 2 Prevalence of antimalarial resistance markers during 2021 and 2022 rainy seasons in Mozambique.

From: Antimalarial drug resistance and population structure of Plasmodium falciparum in Mozambique using genomic surveillance at health facilities in 2021 and 2022

2021

All regions

South

Centre

North

p-value

pfk13

     

Validated mutants

0/311 (0%)

0/72 (0%)

0/108 (0%)

0/131 (0%)

-

Any nsyn mutants*

6/297 (2%)

0 (0%)

2/102 (2%)

4/125 (3.2%)

0.439

pfdhfr

     

N51I

312/312 (100%)

72/72 (100%)

107/107 (100%)

133/133 (100%)

-

C59R

311/312 (99.7%)

72/72 (100%)

106/107 (99.1%)

133/133 (100%)

0.383

S108N

313/313 (100%)

72/72 (100%)

107/107 (100%)

134/134 (100%)

-

triple 51-59-108

238/239 (99.6%)

70/70 (100%)

75/76 (98.7%)

93/93 (100%)

0.341

pfdhps

     

S436A/C/F/H

41/313 (13.1%)

1/71 (1.4%)

8/106 (7.6%)

32/135 (23.7%)

< 0.001

A437G

298/312 (95.5%)

69/71 (97.2%)

101/106 (95.3%)

128/135 (94.8%)

0.730

K540E

296/313 (94.6%)

70/72 (97.2%)

101/107 (94.4%)

125/134 (93.3%)

0.491

A581G

5/317 (1.6%)

0/72 (0%)

3/110 (2.7%)

2/135 (1.5%)

0.350

double 437–540

225/239 (94.1%)

68/70 (97.14%)

71/76 (93.4%)

86/93 (92.5%)

0.431

pfdhfr/pfdhps quintuple

225/239 (94.1%)

68/70 (97.1%)

71/76 (93.4%)

86/93 (92.5%)

0.431

pfcrt 72–76 CVIET

0/317 (0%)

0/72 (0%)

0/109 (0%)

0/136 (0%)

-

pfmdr1 Y184F

216/313 (69%)

37/71 (52.1%)

76/107 (71%)

103/135 (76.3%)

0.001

2022

All regions

South

Centre

North

p-value

pfk13

     

Validated mutants

0/794 (0%)

0/188 (0%)

0/339 (0%)

0/267 (0%)

-

Any nsyn mutants*

14/772 (1.8%)

2/184 (1.1%)

3/328 (0.9%)

8/260 (3.1%)

0.073

pfdhfr

     

N51I

795/802 (99.1%)

189/190 (99.5%)

336/341 (98.5%)

270/271 (99.6%)

0.294

C59R

796/802 (99.3%)

190/190 (100%)

335/341 (98.2%)

271/271 (100%)

0.017

S108N

804/805 (99.9%)

190/190 (100%)

342/343 (99.7%)

272/272 (100%)

0.510

triple 51-59-108

645/658 (98.0%)

181/182 (99.5%)

259/270 (95.9%)

205/206 (99.5%)

0.005

pfdhps

     

S436A/C/F/H

78/803 (9.7%)

4/189 (2.1%)

8/343 (2.3%)

66/271 (24.4%)

< 0.001

A437G

757/803 (94.3%)

183/189 (96.8%)

321/343 (93.6%)

253/271 (93.4%)

0.233

K540E

751/801 (93.8%)

181/189 (95.8%)

319/341 (93.6%)

251/271 (92.6%)

0.381

A581G

6/801 (0.8%)

1/189 (0.5%)

3/341 (0.9%)

2/271 (0.7%)

0.904

double 437–540

609/658 (92.6%)

175/182 (96.2%)

247/270 (91.5%)

187/206 (90.8%)

0.090

pfdhfr/pfdhps quintuple

597/658 (90.7%)

174/182 (96.6%)

237/270 (87.8%)

186/206 (90.3%)

0.018

pfcrt 72–76 CVIET

1/804 (0.1%)

0/189 (0%)

0/342 (0%)

1/273 (0.4%)

0.378

pfmdr1 Y184F

565/803 (70.4%)

114/190 (60%)

242/343 (70.6%)

209/270 (77.4%)

< 0.001

  1. *nsyn: non-synonymous mutation