Why the study?
Does live oral poliovirus vaccine (OPV) provide adequate antibody titers in low-income children?
Population
504 low-income children in six Illinois communities
Design
Cross-sectional
Authors
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OPV may yield lower-than-expected seroprotection in low-income children; leaves open need for post-licensure surveillance.
Does live oral poliovirus vaccine (OPV) provide adequate antibody titers in low-income children?
Day-to-day immunization practices with OPV may result in lower immunity levels than expected from field trials, highlighting the need for post-licensure surveillance.
Colette M. Rasmussen (1973) studied this question.
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