The Control of Poliomyelitis by Live Poliovirus Vaccine is a collection of papers presented at the 9th Hungarian-Soviet Medical Conference held in Budapest, Sept. 28-30, 1960. It summarizes the data on mass immunization on populations in the Soviet Union with live poliovirus as well as the results of mass vaccination using Sabin's strains in Czechoslovakia, East Germany, and Hungary. The Hungarian experience is most interesting inasmuch as in July of 1959 a severe epidemic of poliomyelitis broke out in Hungary although a major portion of the child population had received Salk vaccine between 1957 and 1959. Mass vaccination was begun in November of 1959, and within a short time nearly 100% of the susceptible population in Hungary received trivalent vaccine. Hungary is said to be the first country which reports virtually the eradication of live polioviruses by this method.
The Hungarian experience has considerable meaning for the possible use of