A contaminated blood thinner from China has been found in drug supplies in 11 countries, and federal officials said Monday they had discovered a clear link between the contaminant and severe reactions now associated with 81 deaths in the United States.
But a Chinese official disputed the assertion that the contaminant found in the drug, heparin, caused any deaths and insisted that his country's inspectors be allowed to inspect the American plant where the finished heparin vials were made. He said any future agreement to allow American inspections of Chinese firms should be reciprocal.
"We don't have a strong evidence to show that it is heparin or its contaminant that caused the problem," said the official, Ning Chen, second secretary at the Chinese Embassy.
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