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By Tulay Karadeniz, Gulsen Solaker and Can Sezer ANKARA/ISTANBUL (Reuters) - Turkey on Wednesday deepened a crackdown on suspected followers of a U.S.-based cleric it blames for a failed coup, dismissing nearly 1,700 military personnel and shutting 131 media outlets, moves that may spark more concern among its Western allies. Gulen, who lives in self-imposed exile in Pennsylvania but whose movement has a wide following in Turkey where it runs a large network of schools, has denied any involvement in the failed putsch. Western governments and human rights groups, while condemning the abortive coup in which at least 246 people were killed and more than 2,000 injured, have expressed concern over the extent of the crackdown, suggesting President Tayyip Erdogan may be using it to stifle dissent and tighten his grip on power.
US researchers have identified antibodies in lab mice that may be able to prevent infection with the mosquito-borne Zika virus, in what they described Wednesday as a "significant step" toward a vaccine. The team at Washington University School of Medicine in St. Louis published their findings in the journal Cell. The research shows how these six antibodies interact with the virus, and that they are specific enough to Zika virus -- and not other viruses -- that they could be used in diagnostic tests, the researchers said.