title: Increased incidence of parvovirus B19.
mesh_terms: D000293:Adolescent; D000328:Adult; D004196:Disease Outbreaks / Q000706:statistics & numerical data*; D005260:Female; D006801:Humans; D015994:Incidence; D008131:London / Q000453:epidemiology; D008297:Male; D008875:Middle Aged; D010322:Parvoviridae Infections / Q000453:epidemiology*; D016732:Parvovirus B19, Human / Q000302:isolation & purification*; D017678:Sex Distribution