http://whqlibdoc.who.int/hq/2002/WHO_V&B_02.06.pdf

It lists documents produced and distributed by WHO Department of Vaccines and Biologicals (V&B) since its establishment in 1998, and includes documents, training modules and communications materials printed prior to that time by the former Global Programme on Vaccines and Immunization and its component units. Document in pdf format; Acrobat Reader required.