Isolation of Erysipelothrix rhusiopathiae from a 55 year old man and a positive tracing of the infection to chicken-raising premise.

Erysipelothrix rhusiopathiae was isolated from the swollen finger of a 55 year old man. The swelling was due to a peck by an infected chicken. Tracing the infection to the chicken-raising premises has proven that the bacterium was present in some of the chicken and manure samples.