Waardenburg syndrome
Waardenburg-Hirschsprung disease see Waardenburg syndrome
WAGR syndrome see Aniridia
Walker-Warburg syndrome see Congenital Muscular Dystrophy
Weil's disease see Meningitis
Werdnig-Hoffman disease see Spinal Muscular Atrophy
Wermer syndrome see Multiple Endocrine Neoplasia Type I
West Nile Encephalitis see Arboviral Encephalitides
West syndrome
Western equine encephalitis, see Encephalitis
Whistling Face Syndome see Freeman Sheldon syndrome
White Breath Holding see Reflex Anoxic Seizures
Wiedemann-Rautenstrauch syndrome see Metabolic diseases
Wildervanck syndrome see Klippel-Feil syndrome
Williams syndrome
Williams-Beuren syndrome see Williams syndrome
Wilson's disease see Liver disease
Winchester syndrome see Mucopolysaccharide diseases and associated diseases
Wiskott-Aldrich syndrome see Primary Immunodeficiencies
Wolf-Hirschhorn syndrome
Wolman's disease see Metabolic diseases
Worster-Drought syndrome
Writer's Cramp see Dystonia
WWS see Cortical malformations