Clusters of shingles.
D000208:Acute Disease; D004196:Disease Outbreaks / Q000453:epidemiology*; D006562:Herpes Zoster / Q000453:epidemiology* / Q000209:etiology; D006801:Humans; D008581:Meningitis / Q000150:complications; D013029:Space-Time Clustering; D013030:Spain