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post-chloroquine treatment

Decreased prevalence of the Plasmodium falciparum Pfcrt K76T and Pfmdr1 and N86Y mutations post-chloroquine treatment withdrawal in Katete District, Eastern Zambia

July 28, 2021 - 15:15 -- Open Access
Mwenda C. Mulenga, Lungowe Sitali, Ilinca I. Ciubotariu, Moonga B. Hawela, Busiku Hamainza, James Chipeta and Sungano Mharakurwa
Malaria Journal 2021 20:329, 28 July 2021

In 2002, Zambia withdrew chloroquine as first-line treatment for Plasmodium falciparum malaria due to increased treatment failure and worldwide spread of chloroquine resistance. The artemisinin combination regimen, artemether–lumefantrine, replaced chloroquine (CQ) as first choice malaria treatment. The present study determined the prevalence of CQ resistance molecular markers in the Pfcrt and Pfmdr1 genes in Eastern Zambia at 9 and 13 years after the removal of drug pressure.

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