As of 2011, no similar crimes have been reported in the United States.

No known cases had ever been reported in the United States.

Only about 130 cases a year are reported in the United States.

So far, there have been six cases of the disease reported in the United States.

Surprisingly, little of the story has been reported in the United States.

The disease has rarely been reported in the United States.

From 1997 to 2001, an annual average of 12 cases per year were reported in the United States.

By last year, however, there were nearly 27,000 new cases reported in the United States.

More than 50,000 cases have been reported so far in the United States.

Only an estimated 7,000 cases are reported in the United States each year.