LIVE POLIO IRUS VACCINES

Vaccination of Pregnant Women and Young Infants With Trivalent Vaccine 221
TABLE 9.
POLIOVIRUS TYPE I ANTIBODY RESPONSE OF 47 INFANTS FED TRIVALENT ORAL ATTENU-
ATED LIVE POLIOMYELITIS VACCINE AT AGE ABOUT FOUR MONTHS
#uaber With
Ca1lolated Antibody Titer Total 4-Fold Or
Residual Post Feeding NTtber oreater
Titere :4 1:4 1:8 1:16 1:32 1:64 1:128 1:256 1:512 1:1024 0>1:1024 Fed Response
4 _ I1 2 2 8 4 7 1 25 24
t' 4 I I I I
li L '1, 1 2 2
1:8 1 21 1 7 6
1:16 1 1 1
1:32 1 1 1
1:64 1 2 1 4 0
1:128 1
1:256 1 ___ 1 o
1:512
1:1024
- 1:1024 1 _ 0
TOTAL 1 11 2 5 8 12 7 9 2 47 36 (77%)
* Residual titer of passively transferred maternal antibodies at time of last post-vaccination blood drawing.
Half-life value = 37 days.
TABLE 10. POLIOVIRUS TYPE II ANTIBODY RESPONSE OF 47 INFANTS FED TRIVALENT ORAL ATTENU-
ATED LIVE POLIOMYELITIS VACCINE AT AGE ABOUT FOUR MONTHS
Calculated
Antibody Titers
Number With
Post Feeding Total 4-Fold Or
Residual _ Number Greater
Titere 1:1024 Fed Response
1:1024
TOTAL0 16 1 6 5 3 9 4 2 1 1 0 0 47 9 (19%)
* Residual titer of passively transferred maternal antibodies at time of last post-vaccination blood drawing.
Half-life value = 37 days.
TABLE 11.
POLIOVIRUS TYPE III ANTIBODY RESPONSE OF 47 INFANTS FED TRIVALENT ORAL ATTENU-
ATED LIVE POLIOMYELITIS VACCINE AT AGE ABOUT FOUR MONTHS
Antibody Titers
N:ar Witb
Calculated Post Feeding Total 4-Fold Or
Residual Number Grea6r
Titer e K :4 1:4 1:8 1:16 1:32 1:64 1:128 1:256 1:512 1:1024 >1:1024 Fed Response
1:1024
TOTALS 2 2 3 4 10 8 10 4 4 47 44 (94%)
* Residual titer of passively transferred maternal antibodies at time of last post-vaccination blood drawing.
Half-life value = 37 days.