Cover. In the cover photograph this month, workers collect items at Indonesia's largest rubbish dump in Bekasi. Indonesia has the highest number of typhoid cases in Asia and has been plagued by repeated epidemics of gastrointestinal infections. More than 90% of household and industrial garbage is discarded in largely uncontrolled dumps, and toxic material in the garbage seeps into the groundwater. Rivers and canals are clogged with rubbish, polluting the water that many Indonesians drink. Fecal contamination is rampant as human waste is discharged directly into waterways. Printed with permission of Corbis. Photograph by Ardiles Rante. Cover concept and selection by Aleisha Kropf.