WHO rabies vaccination position paper, 2018:
http://www.who.int/rabies/resources/who_wer9316/en/
WHO Expert Consultation on Rabies, Third Report, 2018, WHO TRS N°1012
See Section 8.3 Post-exposure prophylaxis
and Table 7 Matrix for determining the risk for exposure to RABV, by type of exposure and the characteristics of the dog
http://www.who.int/rabies/resources/who_trs_1012/en/
The Immunological Basis for Immunization Series: Module 17: Rabies WHO, 2011
http://whqlibdoc.who.int/publications/2011/9789241501088_eng.pdf