Article
The vaccine origin of the 1968 epidemic of type 3 poliomyelitis in Poland.
Virology - 5 Dec 2000
Martín J, Ferguson G L, Wood D J, Minor P D
Abstract excerpt
A clear association was demonstrated between the use of USOL-D-bac type 3 poliovirus live-attenuated vaccine and the 1968 poliomyelitis epidemic in Poland. The epidemic followed small-scale trials with Sabin and USOL-D-bac type 3 vaccine strains carried out in seven countries including Poland. Factors that might have contributed to the genesis and development of the epidemic were the pattern of virus excretion...
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