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    U.S. Is Lagging in Effort to Control Superbugs

    New Online Map Rates Countries on Level of Antibiotic Resistance to Infections
    By
    WebMD Health News
    Reviewed by Laura J. Martin, MD

    Sept. 21, 2011 -- A new project puts the U.S. on the map, but not in the way we'd like to be.

    A new interactive map illustrates the growing threat posed by drug-resistant superbugs in the U.S., Canada, and Europe. The map was prepared by Extending the Cure, a research project that focuses on issues related to antibiotic resistance.

    "Our project's aim was to frame the problem in a new way," Extending the Cure research analyst Nikolay Braykov says. "In order to develop sensible policies, it's important to both measure and communicate the scope of the problem. ... We wanted to provide carefully verified data and make it as accessible as possible."

    The map scores countries according to their reported levels of antibiotic resistance for a variety of infections. The higher the score, the worse the problem.

    With an overall score of 33, the U.S. ranks far below Scandinavian countries such as Sweden and Norway, which both scored a 5. However, the U.S. is well ahead of most Eastern European and Southern European countries. Romania had the highest score, at 51.

    MRSA Rates High in U.S.

    The U.S. has one of the highest rates of methicillin-resistant S. aureus (MRSA), which causes a type of staph infection that kills an estimated 20,000 people in this country each year. Only Israel and Malta had higher rates of MRSA than the U.S., where more than 50% of staph infections are now thought to be resistant to common antibiotics.

    Most MRSAs occur among hospitalized patients. The CDC says the number of such cases is declining. However, a growing number of MRSA infections are being reported among healthy people outside health care settings.

    Vancomycin-resistant enterococci (VRE) is another type of tough-to-treat infection. According to the CDC, enterococci infection is a common type of infection among hospital patients. The CDC estimated in 2004 that VRE caused one out of three infections in intensive care units. That's particularly troubling because it resists treatment by vancomycin, an antibiotic of last resort.

    Infection Trouble Spots

    The Extending the Cure map shows that the U.S. and Ireland have the highest rates of deadly VRE infections. Parts of the Midwest, Central South, and some Atlantic states report the highest concentration of cases, according to the map.

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