Why the study?
Do mass supplemental immunizations reduce poliomyelitis cases and wild poliovirus detection in China?
Population
Population of China, specifically children 0 to 3 years old targeted for mass supplemental immunizations
Design
Other
Follow-up
Through the end of 1993
Authors
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May support supplemental immunizations for poliomyelitis control; leaves open causal confirmation and generalizability from Level 5 data.
Do mass supplemental immunizations reduce poliomyelitis cases and wild poliovirus detection in China?
Mass supplemental immunizations in children 0 to 3 years old can rapidly eliminate wild poliovirus from large, densely populated areas.
YANG et al. (1995) studied this question.
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