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

Volume 60, Issue 23
  • ISSN : 0256-9574
  • E-ISSN: 2078-5135



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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