[New methods on the measles prophylaxis (author's transl)].

As for the preventive measures used towards patients with a measles infection, the Authors review in particular the new methods of isolation on the basis of the latest acquisitions on the way and period of contagiousness. As for the preventive measures for healthy people, the Authors review in particular the vaccination route. After having considered the principal types of vaccine used, they demonstrate the efficiency and harmlesness of the live and attenuated virus vaccine, in general, and in particular the "hyperattenuated" vaccine, reviewing the principal causes of the failure of such a vaccine in some cases. They give an ample documentation of the period of immunity (persistance of HAI antibodies) in the vaccined. Considering the experience of other countries, the Authors suggest that it is time to procede in a large scale vaccination in Italy, underlining the fundamental points (use of live and hyperattenuated vaccine, appropriate storage and care of the vaccine, age of vaccination) to prevent failure and to make more and more efficient this type of vaccination.