Offices on the southeast corner of the Hart building between the first and eighth floors were closed for testing, according to a written statement from the Capitol physician.

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"Recognizing the international scientific consensus that BSE (Mad Cow Disease) is a disease that is not detected in young animals, there isn't any nation in the world that requires 100-percent testing for BSE, " the statement said.

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"This has included reviewing the procedures followed when treating Mr Pritchard, taking statements from and screening of all staff involved in his care, and testing of the injection material, " the statement said.

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Laurenzi's statement comes after Braun publicly blasted Major League Baseball's drug testing system and an arbitration board tossed out a 50-game suspension imposed as the result of the drug test Braun took last year.

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In a statement given to the programme, the Football Association defended its drug-testing programming.

BBC: Scunthorpe United explain drugs test abandonments

In his Commons statement on Monday, Mr Straw also set out controversial measures such as drug testing at arrest and electronic tagging.

BBC: Straw targets burglars

In a statement issued to CNN in 2006, the USDA said it does not support 100% testing because the disease is difficult to detect in young cattle, the primary source of beef in the United States.

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"During regularly scheduled testing of the ship's emergency diesel generator, a malfunction occurred, " Carnival said in a statement.

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Testing will be done free of charge at the health department starting Saturday and resuming on Monday, the statement said.

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