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oa South African Medical Journal - Artificial herd immunity to polio-myelitis in a sermirural community in South Africa

 

Abstract

The sera of 139 children aged between 8 months and 6 years from the .town of Port Alfred in the eastern Cape Province were examined for antibodies to the three types of poliovirus.

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/content/m_samj/60/23/AJA20785135_14186
1981-12-01
2016-12-03
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