[Epidemiologic study of leprosy in metropolitan France].

322 new cases of leprosy in France are registered by a postal survey among 11 towns, from 1970 to 1978. 217 are detected in Paris, 105 in other parts of France. 137 are foreigners, 104 come from overseas French territories, 45 are reapatriated French nationals. 39.7% are lepromatous, 43.6% tuberculoid, 13.9% indeterminate. 35 cases are followed out of which 16 cases in Alsace were discovered in Strasbourg.