Lyme borreliosis in Belgium.
D000328:Adult; D000368:Aged; D001530:Belgium; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D008193:Lyme Disease / Q000453:epidemiology*; D008297:Male; D008875:Middle Aged; D012737:Sex Factors