Abstract
Summary
Saline suspensions of stools obtained from both normal and poliomyelitis patients showed hemagglutination of group “O” human, chick, rabbit, guinea pig and sheep erythrocytes. The rabbit cells were agglutinated in highest titers. No significant difference in hemagglutination titer was noted with the normal and poliomyelitis stools. Normal human, rabbit and monkey serum and 20%percnt; bovine albumin inhibited hemagglutination. The hemagglutinin was thermolabile and absorbed by group “O” human, chick and rabbit erythrocytes. Stool suspension Seitz nitrates failed to show hemagglutination, but the titer could be partially restored by methanol precipitation. Various species of bacteria isolated from stool suspensions failed to agglutinate chick, group “O” human and guinea pig erythrocytes but showed some agglutination of rabbit cells in low titer. Mouse brain and cord suspensions infected with the Lansing strain of poliomyelitis virus also failed to agglutinate chick, human group “O” and rabbit erythrocytes.
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