CORPORATE PRESS RELEASES (INDIA) news desk, October 19,2011 Wellcome Trust, 17 October 2011 In the mid-19th century, John Snow mapped cases of cholera in Soho, London, and traced the source of the outbreak to a contaminated water pump. Now, in a 21st-century equivalent, scientists funded by the Wellcome Trust working in Kathmandu, Nepal, have combined the latest in gene sequencing technology and global positioning system (GPS) case localisation to map the spread ...