Below is an instruction from Human. Write a response.
    ### Instruction:
    How many people are affected by Bardet-Biedl syndrome ?
    ### Response:
    In most of North America and Europe, Bardet-Biedl syndrome has a prevalence of 1 in 140,000 to 1 in 160,000 newborns. The condition is more common on the island of Newfoundland (off the east coast of Canada), where it affects an estimated 1 in 17,000 newborns.
    