Theranos voluntarily pulls request for fast clearance of Zika test

(Reuters) - Blood-testing firm Theranos Inc said it voluntarily withdrew a request to the U.S. Food and Drug Administration for emergency clearance of its Zika-virus blood test. Theranos made the decision after the FDA said the company did not include proper patient safeguards in a study, the Wall Street Journal reported, citing people familiar with the matter. "We hope that our decision to withdraw the Zika submission voluntarily is further evidence of our commitment to engage positively with t