Dr. Edwin H. Lennette, Virus and Rickettsial Laboratory, Berkeley, h&3 isolated Type 1 poliomyelitis virus from the stool of 2 previously reported California cases (PSU case Numbers Cal-12 and Cal-19). Dr. Lennette has also grown type 1 virus from the stool of 2 contacts of Fbu Case No. Cal-14, although virus has not as yet been isolated from the ease itself. To date type 1 virus has been isolated from a total of eight Cutter associated cases which are summarized in Table 1.

Dr. Robert Me11ins, Epidemic Intelligence Service Officer, reports that Dr. Howard Shaughnessy, Director, Laboratory Division, Illinois Department of Public Health, has isolated type 1 virus from the stool of three contacts of PSU Case No. 111-1. Growth of type 1 virus from the case itself was reported on May 3. Dr. Shaughnessy has also received stools from approximately 30 Chicago children who had been inoculated with Cutter Vaccine. Examination of 17 stools has been completed and in three of these 17 type 1 virus was found. One of these three positives had a transient febrile illness 4 days after vaccination, while the other two have been asymptomatic.

Stephen B. Thacker CDC Library collection