LIVE POLIO IRUS VACCINES

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314
Efficacy-Laboratory Evidence
Efficacy-Laboratory Evidence~~~~~~~~~~~~~~~~~~
Finally, although expected, the complete absence
of untoward reactions attributable to the
vaccine in infected children should be noted.
of the Pan American Health Organization,
pp. 159-171, 1959.
5. Prem, K. A., McKelvey, J. L., and Fergus, J.:
Immunologic response of infants under six
REFERENCES
months of age to oral trivalent poliomyelitis
1. Koprowski, H., Norton, T. W., Hummeler, K.,
Stokes, Jr., J., Hunt, Jr., A. D., Flack, A., and
Jervis, G. A.: Immunization of infants with
living attenuated poliomyelitis virus. J. Am.
M. Assn. 162: 1281-1288, 1956.
2. Martins da Silva, M., McKelvey, J. L., Bauer,
H., Prem, K. A., Cooney, M. K., and Johnson,
E. A.: Studies of orally administered attenuated
live virus poliomyelitis vaccine in newborns
and infants under six months. U. Minn.
M. Bull. 29: 133-150, 1957.
3. Plotkin, S. A., Koprowski, H., and Stokes, Jr.,
J.: Clinical trials in infants of orally administered
attenuated poliomyelitis viruses. Pediatrics
23: 1041-1062, 1959.
4. Koprowski, H., Plotkin, S., Pagano, J., Norton,
T. W., and Stokes, Jr., J.: Behavior of attenuated
strains of poliomyelitis virus in relation
to age, familial spread, and duration of
immunity. In: Live Poliovirus Vaccines, First
International Conference. Scient. Pub. no. 44
vaccine. In: Living Poliovirus Vaccines, First
International Conference. Scient. Pub. no. 44
of the Pan American Health Organization, pp.
254-259, 1959.
6. Sabin, A. B.: Present position of immunization
against poliomyelitis with live virus vaccines.
Brit. M. J. 1: 663-680, 1959.
7. Gelfand, H. M., Fox, J. P., LeBlanc, D. R., and
Elveback, L: Studies on the development of
natural immunity to poliomyelitis in Louisiana.
V. Passive transfer of polioantibody
from mother to fetus, and natural decline and
disappearance of antibody in the infant. J.
Immun. Accepted for publication, 1960.
8. -- , Potash, L., LeBlanc, D .R., and Fox,
J. P.: Revised preliminary report on the
Louisiana observations of the natural spread
within families of living vaccine strains of
polioviruses. In: Live Poliovirus Vaccines,
First International Conference. Scient. Pub.
no. 44 of the Pan American Health Organization,
pp. 203-217, 1959.