[Dynamics of secretory and serum immunoglobulins in children in the course of vaccinations with live poliomyelitis monovaccines].

The influence of vaccination with live poliomyelitis monovaccines on the formation of immunoglobulins in the blood serum and the buccal secrets was studied in infants under 1 year. There was a correlation between rises in the levels of serum immunoglobulins (Ig) of the A, G, and M classes and titers of neutralizing antibody to the three poliomyelitis virus types. The highest level of secretory IgA was observed after immunization with type I monovaccine. The level of secretory IgA correlated with the virus-neutralizing activity of the buccal cavity secretes for poliomyelitis virus types I, II, and III. After immunization with type II and III monovaccines there was an insignificant increase of the IgA content in the buccal cavity secretes. In contrast to poliovirus type I which was isolated from throat samples in 40% of the vaccinees, the other two types of poliomyelitis virus were not found in throat swabs. It is suggested that in the course of immunization with live poliovirus vaccine there are differences in the immunogenesis to poliovirus of different types.