Mass therapy rids refugees of parasites

Treating refugees en masse before departure successfully prevents intestinal parasites being imported to Western countries, research shows.

A study of 27,000 refugees resettled in Minnesota has lent support to US policy of mass presumptive treatment with albendazole, finding the approach has all but eradicated certain intestinal parasites.

Before 1999, when the policy came into force, 9.2% of refugees had hookworm on arrival in the US and 4.1% had Ascaris, a type of

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