RT Journal A1 Friedrich MJ T1 DEngue fever risk JF JAMA JO JAMA YR 2011 FD October 19 VO 306 IS 15 SP 1644 OP 1644 DO 10.1001/jama.2011.1486 UL http://dx.doi.org/10.1001/jama.2011.1486 AB The investigators analyzed the effect of population density and lack of tap water supply on the risk of dengue fever by linking household data with hospital admission records from a population in south central Vietnam (with about 350 000 people) that experienced 2 dengue epidemics between January 2005 and June 2008.