Microsatellite polymorphism within pfcrt provides evidence of continuing evolution of chloroquine-resistant alleles in Papua New Guinea

Table 1 Prevalence of pfcrt alleles (codons 72–76) in malaria-endemic regions of PNG

a, b, c Samples with mixed infections were not included.
a Samples were collected from the Eastern Highlands (n = 1), East Sepik (n = 3), Manus (n = 1), Milne Bay (n = 1), and Morobe (n = 1) provinces of PNG between 1982 and 1984 and were previously reported [8].
b, c Samples were collected in 1996 and were previously reported [7].
d Samples were collected in 1998 and 2002. The 1998 samples were previously reported [7].
e Samples were collected between 2001 and 2003 in local health centers.
f Allele found only in samples taken from the 2002 group.

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