Epidemic non-A, non-B viral hepatitis in Algeria: strong evidence for its spreading by water.

A waterborne epidemic of non-A, non-B hepatitis occurred in Medea, an Algerian town of 68,000 inhabitants during the autumn and winter of 1980-1981. About 6 weeks before the epidemic, there had been a chlorination failure and an accidental sewage contamination of the river water that supplied large parts of the town. From October, 1980, to January, 1981, 788 cases were notified.

[Future of the remaining rectum after treatment of familial polyposis (author's transl)].

In the treatment of familial polyposis the conservation of the rectum is essential to assure a convenient control and rhythm of defecation. Meanwhile the future of resting polyps deserves the attention of the surgeon. Certain authors are optimistic and claim that spontaneous regression of the polyps is possible.