title: Risk of cytomegalovirus exposure to staff in a preschool for the retarded.
mesh_terms: D000328:Adult; D002353:Carrier State; D002675:Child, Preschool; D003586:Cytomegalovirus Infections / Q000635:transmission*; D005260:Female; D006801:Humans; D007223:Infant; D008607:Intellectual Disability; D008297:Male; D009784:Occupational Diseases / Q000635:transmission*; D011247:Pregnancy; D012306:Risk; D012574:Schools