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In an ominous finding, an epidemic strain of community-associated methicillin-resistant Staphylococcus aureus (CA-MRSA) has developed intermediate resistance to vancomycin, the classic antibiotic weapon against resistant staph infections, Hospital Infection Control has learned.
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At the University of Pittsburgh Medical Center, laboratory-based surveillance of coagulase-negative staphylococci found that 4% were linezolid-resistant. MIC's to linezolid were generally > 256 µg/mL; the isolates were all susceptible to vancomycin and daptomycin.
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New public health recommendations to routinely test people for HIV will have a significant impact on the AIDS epidemic, said Anthony Fauci, MD, director of the National Institute for Allergy and Infectious Diseases.
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Are day care centers exclusion policies inadvertently fueling antibiotic resistance in Shigella sonnei? That is the question Centers for Disease Control and Prevention epidemiologists are pondering after a spate of outbreaks in 2005.
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A highly virulent strain of Clostridium difficile (C. diff) continues to emerge in the United States and Canada, posing formidable challenges for infection control professionals because it can be deadly upon arrival and notoriously difficult to eradicate.
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Though the findings are very preliminary, there is some evidence to suggest that Clostridium difficile may be arising independently as a community pathogen a la methicillin-resistant Staphylococcus aureus.
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Contrary to conventional wisdom, alcohol hand rubs demonstrated surprising efficacy against Clostridium difficile (C. diff) in a study by one of the nations leading researchers on the troublesome nosocomial pathogen.
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Methicillin-resistant Staphylococcus aureus (MRSA) is rampant in the nations nursing homes, and 4% of MRSA isolates in long-term care facilities (LTCF) are the emerging community associated strains (CA-MRSA), an epidemiologist reports.
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Clinicians should not prescribe amantadine and rimantadine because the influenza A (H3N2) virus currently circulating in the United States has developed almost complete resistance to the antiviral drugs, the Centers for Disease Control and Prevention reports.
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There exists no consensus about the best means for diagnosing bloodstream infections related to intravascular devices (IVD), leading Safdar and colleagues to conduct a formal meta-analysis using the data supplied by 51 of the 185 studies published between 1966 and July 31, 2004, that met the selection criteria.
