
Subsequent Tests Turn Up Negative for Anthrax ContaminationBy Kathleen T. RhemAmerican Forces Press Service |
WASHINGTON, Dr. William Winkenwerder Jr., assistant secretary of defense for health affairs, called the news of subsequent negative tests reassuring when compared to the 2001 anthrax attacks in Washington and New York. During those attacks, there were multiple positive tests from the environment, sort of all over the place, he said. We dont have any of that at this time, despite a lot of testing. It doesnt necessarily mean that we wont find another test that could be positive someplace else, Winkenwerder added. But it certainly indicates, to me at least, that were not dealing with a situation like we had three and a half years ago. He explained subsequent tests have been conducted by swabbing surfaces and sampling the air in various locations with handheld devices. These tests are in addition to routine air sampling that goes on throughout facilities on the Pentagon reservation. I think this is reassuring that we dont have any sort of anthrax specimen thats out in the air, Winkenwerder said. The doctor noted that officials have not identified any particular piece of mail that was contaminated. We dont have an envelope at this point that was addressed to someone that has produced a specimen of white powder or anything like that, he said. The initial positive test result came from a test run on a filter from a machine that mail entering the Pentagons Remote Delivery Facility goes through. He also said officials have not conclusively ruled out that the result was a false positive. I think the likelihood of that is probably low, Winkenwerder said. But we havent totally ruled that out at this point in time. DoD and the rest of the federal government have made strides in preparing for just such an event since the 2001 bioterror attacks, Winkenwerder said. For starters, routine testing and screening measures are in place. Thats how we picked this up, he noted. Officials are also better prepared to advise and treat people who might have been exposed to anthrax, and agencies have opened more efficient lines of communication, he added. Winkenwerder said officials have not confirmed that any individuals were exposed to anthrax and said people who had contact with the affected area shouldnt be overly anxious. We have a lot of information that would suggest that we dont have the type of situation that we had three and a half years ago, he said, referring to the 2001 anthrax attacks that killed five people. However, since they cant yet rule out individual exposure, medical experts have counseled people who were in the affected area, swabbed nasal passages to conduct individual tests, and prescribed a three-day regimen of antibiotics. Individual test results should be completed within another day or so, Winkenwerder said. Officials have also provided information on anthrax symptoms to the individuals. We think its the prudent, cautious thing to do, Winkenwerder said. |
http://www.defenselink.mil/news/Mar2005/20050315_193.html
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