LIVE POLIO IRUS VACCINES

Live Poliomyelitis Vaccine-Small-Scale Trial in Isolated Island Community 543
TABLE 9.
PRE- AND POST-VACCINATION STATUS OF 40 ANTIBODY NEGATIVES AMONG 201 PERSONS
FED THE THREE TYPES OF ORAL POLIOMYELITIS VACCINE WITH 4-WEEK INTERVALS
Pre-Vaccination
Antibody Negatives
(TYPE 2, TYPE 1, TYPE 3) IN 1959
Negative to Type No. of Subjects Negative to Type Converted
a
Post-Vaccination Status
1 ! 2 3
1, 2, 3 2 - - - 2
1, 2 2 - - - 2
1, 3- - 2
2,3 7 - 1 6
1 8 1 - - 7
2 .3 - - - 3
3 16 - - 15
Totals 40 1 1 2 37
TABLE 10.
FREQUENCY OF NON-IMMUNE SUBJECTS ON SOTTUNGA ISLAND AT VARIOUS STAGES
DURING THE TRIALS IN 1958 AND 1959
Date of Polio Vaccine Number Per Cent Non-Immune
Saempling Used Tested
Type 1 Type 2 Type 3
January -58 196 39 53 46
Inactivated
April -58 195 25 19 31
Live Type 1
May -58 199 15 11 28
July -58 176 14 10 30
March -59 201 11 6 17
_________________________201 ll 6 17___
June -59
Live Type 2,1,3
196
1.5
_
180 x 0.5
2.0
2.5
-- t- - _t-
0.5
1.0
xCorrected figures for persons who received all
the three types in 1959.