FDA confirms Chiron flu vaccine is unusable
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WASHINGTON - The Food and Drug Administration said Friday that flu vaccine manufactured in Britain by Chiron Corp. is not usable. The announcement ended hopes that at least some batches of the vaccine were salvageable.
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None of Chiron Corp.'s  flu vaccine made at a British plant is safe, which means the U.S. flu vaccine supply will be half of what was expected, U.S. health officials said on Friday.
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The acting commissioner of the US Food and Drug Administration said Friday he was &quot;pessimistic&quot; that any flu vaccine made by Chiron Corp.
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All of Chiron Corp.&#39;s flu vaccine lots in the UK, where the company&#39;s plant was shut down by regulators, are unsafe, said Lester Crawford, acting commissioner of the US Food and Drug Administration.
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Chiron Corp. is delaying shipment of its flu vaccine, Fluvirin, because lots containing 4 million vaccines, do not meet product sterility standards, the biopharmaceutical company said on Thursday .
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None of the influenza vaccine produced by Chiron Corp. in its Liverpool, England plant is salvageable, the Food and Drug Administration announced Friday.
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Chiron Corp. CHIR.O is being  investigated by a federal grand jury after failing to deliver  its flu vaccine this year because regulators did not consider  it safe.
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The FDA says it did not have any early warning that something may be seriously wrong with the USA&#39;s delivery of 48 million flu vaccine doses from Chiron&#39;s Liverpool (UK) plant.
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Chiron Corp. is being investigated by  a federal grand jury after failing to deliver flu vaccine this  year because regulators did not consider it safe.
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U.S. health regulators sent a  warning letter to Chiron Corp. detailing manufacturing  violations at a British flu vaccine plant and demanding more  information on plans to fix problems that wiped out half of the  U.S. flu shot supply this year.
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Shares of Chiron Corp. CHIR.O fell 7  percent before the market open on Friday, a day after the  biopharmaceutical company said it is delaying shipment of its  flu vaccine, Fluvirin, because lots containing 4 million  vaccines do not meet product sterility standards.
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A federal grand jury is investigating  Chiron Corp.'s CHIR.O failure to deliver vaccine for the  coming flu season, the company disclosed on Tuesday.
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Chiron (CHIR) said Wednesday that it had written off $91 million in flu vaccine inventory and warned in its most pointed language yet that it may not be able to supply the USA next year either.
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The Food and Drug Administration failed to heed repeated warnings of contamination at Chiron&#39;s now-shuttered British flu-vaccine plant and the urging of US inspectors
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Chiron Corp. of California says contamination concerns will delay the release of its flu virus vaccine until October. A spokesman said Thursday a final internal release procedure
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SAN FRANCISCO - The nation&#39;s vaccine supply for the coming flu season took a big hit yesterday when Chiron Corp. announced it found tainted doses at its factory.
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The Food and Drug Administration is unlikely to clear influenza vaccine made by Chiron Corp. as safe for Americans to use this flu season, Dr.