Brevia

Intercontinental Spread of Pyrimethamine-Resistant Malaria

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Science  20 Aug 2004:
Vol. 305, Issue 5687, pp. 1124
DOI: 10.1126/science.1098876

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Abstract

Here we present molecular evidence demonstrating that malaria parasites bearing high-level pyrimethamine resistance originally arrived in Africa from southeast Asia. The resistance alleles carried by these migrants are now spreading across Africa at an alarming rate, signaling the end of affordable malaria treatment and presenting sub-Saharan Africa with a public health crisis.

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