Epidemic of Down's syndrome?
D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D004196:Disease Outbreaks; D004314:Down Syndrome / Q000453:epidemiology* / Q000209:etiology; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D014777:Virus Diseases / Q000150:complications