A set of cross-sectional surveys by Robert Stewart and colleagues carried out in Cuba, Dominican Republic, Peru, Mexico, Venezuela, Puerto Rico, China, and India reveal the prevalence and between-country variation in mild cognitive impairment at a population level.
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Image Credit: keebosr
A population-based study in Oxfordshire (UK) hospitals by Sarah Walker and colleagues finds that in an endemic setting with good infection control, ward-based contact cannot account for most new cases of Clostridium difficile infection.
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Image Credit: CDC
Stephan Harbarth and Matthew Samore discuss the implications and the limitations of new research indicating that most Clostridium difficile cases may be imported into hospitals.
Image Credit: CDC
Edward Mills and colleagues argue that a more balanced approach to gender is needed so that both men and women are involved in HIV treatment and prevention.
Image Credit: Jon Rawlinson
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