FDA doubts Chiron flu vaccine salvageable
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It is unlikely that any of the nearly 50 million doses of influenza vaccine being held at a plant in England will be found safe and released to the United States, the head of the Food and Drug Administration said 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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A day after a leading flu vaccine maker warned that it would hold up millions of doses because several batches were contaminated, U.S. health officials said Friday they do not expect a flu shot shortage...
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Federal regulators reportedly found manufacturing problems at Chiron&#39;s flu-vaccine plant in England last year similar to those that led British authorities to shut down the facility last week.
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WASHINGTON - None of the nearly 50 million doses of Chiron Corp. flu vaccine being held in a plant in England can be safely used, the Food and Drug Administration said Friday.
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SAN FRANCISCO - The nation's supply of vaccine for the impending flu season took a big hit Thursday when Chiron Corp. announced it had found tainted doses in its factory...
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British and American drug regulators met yesterday to see what could be done about the stopped batches of flu vaccines at Chiron&#39;s Liverpool production plant, UK.
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US health officials have confirmed that the entire stock of flu vaccine from a British producer is unusable. The US had hoped to salvage some of the doses made by Chiron, which account for nearly half of its annual supply.
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Production breakdowns at Chiron Corp.'s manufacturing plant in Great Britain meant the U.S. Food and Drug Administration could not guarantee the safety of any of the company's flu vaccine this year, the ...
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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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WASHINGTON -- Flu vaccine manufacturer Chiron has three weeks to respond to a Food and Drug Administration warning letter that alleges violations of FDA regulations at the company&#39;s plant in Liverpool, England, where contamination problems led to the US
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Chiron Corp. CHIR.O mistakenly  reported in a regulatory filing that it received a U.S. House  of Representatives committee subpoena for certain records  relating to its flu vaccine, the company said on Monday.
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Chiron Corp. was wrestling with bacterial contamination of flu vaccine at its Liverpool plant as early as March, and its finished vials began failing sterility tests nearly two months before the company warned
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Chiron&#39;s flu vaccine plant in Liverpool, England, had such poor conditions that the Food and Drug Administration says the vaccine made there was &quot;adulterated&quot; and
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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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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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The Food and Drug Administration is unlikely to clear Chiron Corp.&#39;s influenza vaccine for US use this flu season, Dr. Lester Crawford, the agency&#39;s acting commissioner, said Friday.