[Erroneous information in the epidemiological surveillance of hepatitis B].

False positive results obtained in the determination of the immune markers of hepatitis A by the methods of the passive reverse hemagglutination test and the enzyme immunoassay distort the course of the registration of the epidemic process and deteriorate the quality of the antiepidemic measures ensured to the population. The necessity of the standardization of available test systems is postulated.

[The occurrence of trichinelliasis outbreaks among the population of Kherson Province in 1986-1988].

Three outbreaks of trichinellosis have been reviewed in Kherson Province, which has so far been safe as regards this infection. The source of infection in two cases was pork from small private farms and in one case it was meat of a wild boar.