US regulator raises flu vaccine doubts
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By Rosie Murray-West, City Correspondent (Filed: 11/12/2004). Chiron, the US drug company that bought Liverpool-based flu vaccine manufacturer PowderJect Pharmaceuticals, yesterday received a warning letter
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The US faces a flu vaccine shortage after British health authorities on Tuesday suspended the license of one of two key makers of influenza vaccine in the country.
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The World Health Organisation yesterday suggested there may be an international shortage of flu vaccines this winter as medicines watchdogs suspended the British manufacturing licence of the world&#39;s second-largest supplier.
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Only a few companies produce the vaccine known as the flu shot. When the UK announced that one company - accounting for half of the vaccines needed in the US - was having its license suspended due to contamination concerns - it created immediate concern.
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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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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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Congress started an investigation into whether the U.S. Food and Drug Administration overlooked problems at a British plant that led to the withdrawal of half the country's flu vaccine supply.
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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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LONDON -- Stunned US health officials met with British regulators yesterday to discuss the suspension of flu vaccine production that has slashed supplies across the United States and planned to inspect the British factory to see whether any impounded vaccine could be salvaged.
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LONDON -- British health officials said yesterday that their American counterparts were informed in mid-September that problems at a drug manufacturing plant in northwest England could disrupt influenza vaccine supplies to the United States.
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US health officials Monday denied reports that they knew before last week that there were major production problems with a key American manufacturer&#39;s flu vaccine, which
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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, one of only two flu jab suppliers to the USA, says that next year&#39;s supply may be in doubt. Health experts and business analysts have been asking for some time that the US authorities add other suppliers to their approvals list.
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Concerned health officials began investigating on Friday what went wrong at a British vaccine plant where half the US flu shots were made
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US Health Secretary Tommy Thompson has urged local officials to investigate reports of companies raising prices to exploit a flu vaccine shortage.
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Some lawmakers on Capitol Hill are criticizing the FDA for not adequately overseeing a British plant making flu vaccine for sale in the United States.
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A federal advisory panel in the US is worried that tens of thousands of flu shots will go to waste and is recommending the government ease restrictions on the current supply of flu vaccine.