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A US government laboratory mistakenly mixed a common flu strain with a dangerous and deadly type of bird flu and shipped it to another lab, the Centers for Disease Control said Friday. No one was exposed to the mixed flu strain, said CDC director Tom Frieden. "These events should never have happened," said Frieden at a press briefing. Frieden said he has issued a moratorium on the transfer of any biological samples, including infectious agents, within or outside the CDC until an investigation is complete.
WASHINGTON (AP) — Two of the four U.S. deaths in Benghazi might have been prevented, military leaders say, if commanders had known more about the intensity of the sporadic gunfire directed at the CIA facility where Americans had taken refuge and had pressed to get a rescue team there faster.