[The results of multiyear observations on the duration of the maintenance of immunity in those vaccinated and revaccinated against and recovered from measles].

The results of 5-year observations on the duration of immunity to measles virus in persons vaccinated and revaccinated against measles, as well as in persons having had this infection, are presented. The intensity of immunity was determined in the same persons with the use of the passive hemagglutination test. The study revealed differences in the formation, intensity and duration of postvaccinal immunity.

[Leiomyosarcoma of the inferior vena cava with Budd-Chiari syndrome].

Leiomyosarcoma (14 x 6 x 5 cm in size) developing in the median segment wall of the inferior vena cava with an occlusion of the hepatic veins mouths and subsequent Budd-Chiari syndrome is described in a 39-year-old female.