DEPARTMENT OF HEALTH, EDUCATION, AND WELFARE bbDhh-SkeUREP-AGENGY PUBLIC HEALTH SERVICE (N REPLYING, ADDRESS THE July 27, 1954 Communicable Disease Conte: Enteric Bacteriology Laboratories P.O. Box 185 Chamblee, Georgia Dre Aleck Bernstein Department of Genetics University of Wisconsin Madison 6, Wisconsin Dear Dr. Rernstein: As requested by Dre Lederberg I am writing you in regard to your culture SW 1104 (CDC Noe 2308-54). The culture gave a slight trace of agglutination in somatic 1 serum. It probably is a 1,9,12 type which is in the 1 + form. So far as phase 2 is concerned your conjecture was correct. This phase should have been denoted €,N,Z1,, Zig» not e,n,x- J am sorry that these errors in reporting occurred. For the Officer-in-Charge, Bacteriology Section Sincerely yours, A) OB anel. Philip R» Edwards, Ph. D. Bacteriologist-in-Chearzge Emt eric Bacteriology Unit