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Mapping the Worm Wars: What the Public Should Take Away from the Scientific Debate about Mass Deworming

It was a big deal when various media outlets declared last week that the evidence to support mass deworming had been “debunked.” The debate now is not about whether children sick with worms should get treated (everyone says yes), but whether the mass treatment of all kids — including those not known to be infected — is a cost-effective way to raise school attendance. The healthiest parts of the debate have been about the need for transparency, data sharing, and more replication in science. Here, we’re going to focus here on the narrower question of the evidence for mass deworming specifically, which is where some journalists have gotten things quite wrong.