Below is an instruction from Human. Write a response.
    ### Instruction:
    what is yersiniosis for Yersinia ?
    ### Response:
    Yersiniosis is an infectious disease caused by a bacterium of the genus Yersinia. In the United States, most human illness is caused by one species, Y. enterocolitica. Infection with Y. enterocolitica can cause a variety of symptoms depending on the age of the person infected.
    