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The AA, taking the latest reports as a starting point, are attempting a first epidemiological reconsideration of Hepatitis, Virus B. They have found that the disease, which was generally thought not to be contagious, is actually deceptive in its potential for transmission from person to person. Hospital personnel, in particular, are greatly at risk as are their families.

There have been some results of the antitoxotoxin investigation into antibodies in cases variously positive to the Dye test for the toxoplasmic infectious disease. The results point to various etiological considerations, therapeutic and therapeutic-prophylactic, on which the AA dwell briefly. They touch upon the possibility of a timely recourse to desensitization which, however, is sometimes not excluded even in cases which show a negative result to the toxotoxin.

A short epidemiological presentation of the toxoplasmic infectious disease in our country on suspected cases compared with a clinically healthy group shows the importance of the phenomenon, especially for its various preventative and therapeutic implications.

The Yersinia enterocolitis is a kind of disease whose diffusion is gradually increasing in North Europe. The authors relates about the outcomes of a serum-immunologic research conducted during the period 1982-84 on a sample of 965 adults coming from three different italian districts (Roma, Siena, Napoli) and 65 children coming from Napoli. They interpret antibody titers painted out by their research comparing them with ones reported in bibliography. The issue of this research, even if it was conducted only in three bordering central-southern Italy regions, can anticipate an indicative epidemiological image of this Country.