[Clinical and biological symptoms of T. gambiense tryponosomiasis in the meningo-encephalitic period (author's transl)].

Main clinical symptoms are reviewed in the first part of the article. They consist in mental alertness disorder, motorial confusion and quite constantly in reflexes and abnormal movements due to brain stem lesion. The author reports on 22 cases. No correlation appears between prognosis and epileptiform seizures. Bertran's prognostical score has given contradictory indications. Neujan's criteria have not been very reliable to select treatment schedule. No correlation has been observed between biological data on the one hand and clinical symptoms as well as lethal evolution on the other hand.