[Trial of a staphylococcal reagent containing protein A in the coagglutination reaction for identifying enteroviruses]. / Opyt ispol'zovaniia stafilokokkovogo reagenta, soderzhashchego belok A, v reaktsii koaggliutinatsii dlia identifikatsii énterovirusov.

The results are presented of identification in the neutralization (NT) and coagglutination tests (CT) of 90 enterovirus strains isolated from patients with aseptic meningitis and from water bodies. In CT, a staphylococcal reagent sensitized with type-specific sera to enteroviruses and mixtures of these sera was used. Comparison of the results obtained in NT and CT showed the rate of coincidence to be 66.7% and 78.9%, respectively.

[The level of herd immunity against poliomyelitis in children during the mass vaccinal prophylaxis of this infection]. / Izuchenie urovnia kollektivnogo immuniteta k poliomielitu u detei v usloviiakh massovoi vaktsinoprofilaktiki étoi infektsii.

The results of examinations of blood sera from normal children for the presence of antibody to polioviruses after two courses of mass vaccinations were carried out according to epidemiological indications although differing in duration of the campaign and the range of the child populations involved, are presented. The advantages of simultaneous mass vaccinations covering children from 2 months to 7 years of age have been demonstrated.