As with rheumatic fever,<unk>  is seen more often in less affluent communities, whether in the developing world or in aboriginal communities in the global North. High rates of impetigo are a marker for widespread streptococcal transmission.
Sydenham's chorea
Huntington's disease
Benign hereditary chorea
Parkinson-plus syndrome
Wernicke–Korsakoff syndrome
Huntington's disease-like syndrome
X-linked dystonia parkinsonism
Stratton Parker syndrome