1. An Optimisation Model for Use of the Vi Polysaccharide Vaccine to Prevent Typhoid in Developing Countries. (January 2008) Authors: Lauria, Donald T; Maskery, Brian; Poulos, Christine; Whittington, Dale Other Names: University of Manchester. Brooks World Poverty Institute, publisher. Record Type: Book Extent: 1 online resource (19 pages), 1 illustration (black and white) View Content: Available online (eLD content is only available in our Reading Rooms) ↗