China and the World Anti-Doping Agency say that positive tests for a banned drug among elite Chinese swimmers were a result of unwitting contamination. But the science behind that assertion is not so clear.
Faced with scrutiny, the World Anti-Doping Agency has cited China’s science as it has tried to deflect criticism that it looked the other way when confronting a pattern of positive tests among Chinese athletes.
China and the World Anti-Doping Agency say that positive tests for a banned drug among elite Chinese swimmers were a result of unwitting contamination. But the science behind that assertion is not so clear.
The World Anti-Doping Agency’s investigative unit highlighted intelligence about Chinese athletes possibly using a banned medication, but was kept out of the loop when 23 swimmers tested positive for it.
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