Poliomyelitis surveillance in England and Wales, 1969-1975.


Poliomyelitis continued to be a rare disease in England and Wales in the period 1969-75. Only 31 paralytic and 44 cases of possible non-paralytic poliomyelitis were recorded during the 7 years. Of the 31 paralytic cases approximately one third were vaccine-associated; 3 were patients who had recently received oral poliovaccine and 7 had been in contact with… (More)


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