Skip to main content

Table 2 The number and frequency of resistance-associated pfdhfr and pfdhps alleles in Plasmodium falciparum samples collected in Ujjain, Madhya Pradesh, India 2015–2016

From: Stable high frequencies of sulfadoxine–pyrimethamine resistance associated mutations and absence of K13 mutations in Plasmodium falciparum 3 and 4 years after the introduction of artesunate plus sulfadoxine–pyrimethamine in Ujjain, Madhya Pradesh, India

Pfdhfr A16V C50R N51I C59R S108N I164L
Number 87 87 91 91 104 87
Sensitive 87 83 (95%) 91 (100%) 4 (4%) 4 (4%) 87 (100%)
Resistant 0 4 (5%) 0 87 (96%) 100 (96%) 0
Pfdhps S436F   A437G K540E A581G A613T
Number 106   105 110 93 92
Sensitive 0   95 (90%) 110 93 92
Resistant 106   10 (10%) 0 0 0