Eleven New Yorkers, including nine members of two Westchester County families, have tested positive for the new coronavirus, and the number of cases is expected to grow, state officials said Wednesday.

Gov. Andrew Cuomo said all but one of the cases are tied to one another, with the connection being a 50-year-old lawyer from New Rochelle, N.Y., who was the second person in the state to contract the virus.

The...