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serum antibodies to polioviruses in alexandria, egypt.

random sera, in a total of 192, were collected in the fever hospital of alexandria, egypt, and analysed for the presence of antibodies against polioviruses. the results show good antibody levels, only three sera (1.5%) were negative for poliovirus type 1, 5 (2.6%) for poliovirus type 2 and 10 (5.2%) for poliovirus type 3; one subject was completely negative.