What does WHO mean?

This acronym/slang usually belongs to Locations, Regional & international category. Most often it occurs in medical prescriptions abbreviations.
Particularly in Business Word Abbreviations, Common Medical Abbreviations, Nursing Abbreviations, Army & Military Abbreviations, Government Abbreviations, Legal Abbreviations, Global Change Abbreviations, Veterinary Abbreviations, Science Abbreviations, Health Abbreviations, Environment Abbreviations, Pulmonary Hypertension Abbreviations, International Development Abbreviations, hospital Abbreviations, Cancer / Oncological Abbreviations, Healthcare Abbreviations, meteorological Abbreviations, Protection Information Abbreviations, Astronomy Abbreviations, Construction Abbreviations, Disability Abbreviations, Military Abbreviations, Organization Abbreviations, Physics Abbreviations, Physiology Abbreviations, Professional organizations Abbreviations, United nations Abbreviations