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U.S. CDC says it 'may never know' how bird flu mishap occurred
The U.S. Centers for Disease Control and Prevention "may never know" how a fairly harmless form of bird flu was cross-contaminated with a dangerous bird flu strain before it was sent to a laboratory outside of the CDC, an agency spokesman said on Monday.
Source: Reuters
Posted on:
Tuesday, Jul 22, 2014, 8:50am
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