FDA Warns Chiron Over Flu Vaccine Plant
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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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The F.D.A. is demanding that Chiron provide more information about its plans to fix widespread sanitary problems at its flu vaccine factory in England.
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Syringes are loaded with influenza vaccine at a Chiron facility in Liverpool, England, in an undated photo provided by Chiron Corp.
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Chiron Corp., which makes nearly half the country&#39;s flu shots, announced Thursday some batches of the Fluvirin flu vaccine made in its England factory were found to be contaminated.
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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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As the nation prepared for a severe shortage of flu shots, the Food and Drug Administration said Monday that problems at the British plant that manufactured vaccine withheld by British authorities likely will be used as a "test case" to lobby for better information-sharing with European regulators.    Last Tuesday, British authorities blocked Chiron Corp...
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Last week, the Chiron Corporation, which manufactures close to half of America&#39;s influenza vaccine supply announced a delay in shipping its Fluvirin influenza virus vaccine, due to the possibility of contaminated doses.
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U.S. regulators want Chiron Corp. to  tell them how they are going to fix contamination problems at a  British vaccine plant that wiped out half the U.S. flu shot  supply this year, the company said on Friday.
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The US Department of Health and Human Services calls the loss of the flu vaccine made by Chiron Corp. a &quot;serious challenge&quot; to the nation&#39;s vaccine supply.
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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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US regulators were trying to decide whether to allow the release of 48 million doses of Chiron Corp.&#39;s flu vaccine when British authorities stepped in to block the company from shipping the vaccine, FDA officials said on
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The UK&#39;s medical regulator, the MHRA, has extended its ban on the production of influenza vaccine at Chiron&#39;s factory in Liverpool, possibly threatening next year&#39;s supply to the US market.
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EMERYVILLE, Calif. Officials of the Chiron corporation plan to testify before Congress about the manufacturing problems in a British factory preventing the company from releasing its flu vaccine to the public.
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British officials say they warned the US government last month that problems at a drug manufacturing plant could disrupt influenza vaccines to the United States.
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None of Chiron Corp.&#39;s (CHIR.O: Quote, Profile, Research) flu vaccine made at a British plant is safe, which means the US flu vaccine
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Emeryville-based Chiron Corp. said Tuesday that it will not be able to supply flu vaccine for this winter&#39;s flu season after Britain&#39;s Medicines and Healthcare Products Regulatory Agency (MHRA) temporarily
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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.