The statement that is most accurate about the experience of immigrants in the Chesapeake colonies during the seventeenth century is:
The danger posed to new immigrants in the Chesapeake colonies persisted throughout the seventeenth century, especially during the late summer.
This statement aligns with the passage, which indicates that life was dangerous for immigrants due to high mortality rates, particularly during the initial "seasoning" period and late summer, and that these dangers continued as late as 1700.