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Her passport is stamped with exotic locations: Myanmar, Tibet, South Africa, Vietnam, and Cambodia, as well as Baltimore, MD. But, when Carrie Tudor, PhD, MPH, RN, looks at it, she sees global battlefields in the fight against infectious disease. Her weapons: immunizations, programs to curb tuberculosis and HIV transmission, and a drive to carry on a rich tradition of public health nursing research.

Infectious disease experts say we are on the brink of losing our last line of defense against pathogenic microorganisms -- antibiotics and other antimicrobials -- unless the healthcare industry and policy-makers significantly improve efforts to preserve these drugs' effectiveness through antimicrobial stewardship initiatives.

Kathy Aureden, MS,MT(ASCP) SI,CIC, epidemiology coordinator at Sherman Hospital in Elgin, Ill., shares her perspectives on the controversial topic of screening and how to make sense of infection data.