LIVE POLIO IRUS VACCINES

Virologic, Serologic Investigations of Immunization With Sabin's Strains 249
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II
III
11 III IV V-VIII weeks
Fim 1. Excretion of Types 1, 2, 3 vaccine viruses by children immunized with trivalent
live vaccine from Sabin's strains.
TABLE 15.
ESTABLISHMENT OF TYPE 1 VACCINE VIRUS IN PERSONS IMMUNIZED WITH TRIVALENT LIVE
VACCINE, IN RELATION TO THE PRESENCE OR ABSENCE OF POLIOMYELITIS ANTIBODY
ANTIBODY
CHILDREN
No. tested
Excreted virus
Per cent
1+2+3+
33
9
27
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the number of triple positive children increased
by 56.5 per cent, while in children's home L. in
the Moscow region only by 23.1 per cent. Summary
data on the increase in the number of children
with antibody to all the three types of
poliovirus vaccinated during summer were only
4.6 per cent lower than those obtained in winter
vaccination with trivalent vaccine. (Estonian,
SSR data by I. H. Dobrova). The increase in the
number of children developing Type 2 antibody
differed from that observed in the winter only by
5.4 per cent. A greater difference between the