вторник, 28 август 2018 г.

New Your Times - Health - China Has Withheld Samples of a Dangerous Flu Virus


By EMILY BAUMGAERTNER
NYT Health
Despite an international agreement, U.S. health authorities still have not received H7N9 avian flu specimens from their Chinese counterparts.
Published date: August 27, 2018 at 03:00AM
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