By David Owen

The laboratory in Rio returned three "false positive cases", all concerning footballers ©Getty ImagesFurther details of alleged shortcomings at the Rio de Janeiro doping control laboratory - whose accreditation was revoked last year by the World Anti-Doping Agency (WADA) in a hugely embarrassing blow for Brazilian authorities - have emerged in minutes of a WADA meeting in South Africa now available on the agency's website.

The record of a WADA Executive Committee meeting held in Johannesburg last November asserts that three "false positive cases" had been discovered to have occurred prior to the revocation of its accreditation.

The assertion, included in a wide-ranging report by WADA director general David Howman, notes that all the cases had been in football.

The new information was said to have "complicated the reaccreditation process".

The information about the "false positive cases" was included in a report by WADA director general David Howman (right) ©AFP/Getty ImagesThe information about the "false positive cases" was included in a report by WADA director general David Howman (right) ©AFP/Getty Images



In May, Barcelona and Chelsea star Deco was cleared of a doping offence by the Court of Arbitration for Sport after they ruled his test at the laboratory in Rio de Janeiro had been mishandled.

The case against Deco, who retired last year due to injury, collapsed when his samples were re-tested in Lausanne, Switzerland.

WADA's revocation of the accreditation of the so-called Ladetec laboratory obliged football governing body FIFA to send samples from the recent World Cup in Brazil across the Atlantic for analysis in the Olympic capital of Lausanne at an additional cost of $250,000 (£148,000/€186,000).

New premises for the laboratory, whose services would ideally be required for the Rio 2016 Olympic and Paralympic Games, have been under construction.

But WADA President Sir Craig Reedie said in April that the new laboratory would be merely the start of a solution, with proper equipment, appropriate personnel and certain standards also being vital before accreditation could be reinstated.

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