The occurrence of poliomyelitis following tonsillectomy and adenoidectomy was first mentioned in 1928 by Ayer.1 He cited 9 cases in which the bulbar type developed soon after the operation. The next year, Aycock and Luther2 described 16 cases in patients whose tonsils had been removed within one month before an attack of poliomyelitis. The onset in all these cases was confined to a seven to eighteen day period following tonsillectomy. In 9 of the cases the infection was of the bulbar type. Silverman3 subsequently mentioned 5 cases, in 4 of which there was bulbar involvement.
With these observations in mind, we decided to analyze the series of 686 cases of poliomyelitis in patients who were admitted to the Willard Parker Hospital during 1935,4 in order to determine whether the removal of the tonsils and adenoids in any way influenced the onset or clinical type of the