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An IDDO/WWARN study has found that primaquine is not associated with increased levels of anaemia following treatment of patients without G6PD deficiency for P. vivax malaria and should be used as part of a radical cure. In the largest study of its kind to date, researchers carried out a systematic review and individual patient data meta-analysis which involved 3,421 patients in 29 studies published in BMC Medicine.

Nurse in a hospital © Chhor Sokunthea / World Bank