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How Did a Rare, Vomit-Inducing Parasite Infect the Water Supply in Lancashire?

More than 300,000 households in Lancashire, England have been warned to boil their water until at least Wednesday to kill any traces of Cryptosporidium, the BBC reports. The nasty livestock parasite, which surfaced last week, probably came from a rotting animal carcass or feces, according to The Guardian. Lovely.
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The Truth About Truvada: Can One Pill Really Protect You From HIV?

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It sounds too good to be real: You take one pill every day, and your risk of contracting HIV is reduced upwards of 90 percent. But the Pre-Exposure Prophylaxis (PrEP) program is an actual thing, which the CDC and the WHO have been recommending since last spring. Is daily Truvada as effective as it sounds, and how does… »2/03/15 3:11pm2/03/15 3:11pm

Inside the Push to Wipe Out Polio From the Furthest Corners of Earth

In North America and Europe, we don't worry much about polio. Vaccination has eradicated this terrible, paralyzing disease in the first world. But far away, the poliomyelitis virus still thrives. Wired accompanied the teams that hope to wipe out polio in Afghanistan and Pakistan. The story is compelling. »11/22/13 10:49am11/22/13 10:49am