About 40 percent of the infected people have since died.
No infected people had been found as of Thursday, according to the health department.
The number of infected people has continued to rise throughout the week.
Two of the infected people came back from a trip to Mexico.
Of course, they'll have to be tested on infected people.
The researchers followed more than 3,700 infected people, 71 percent male, over five years.
Some states record infected people by name; others bar such records.
Infected people are now allowed to get a special 10-day visa.
He predicted that between 500,000 and 3 million infected people would develop the disease over the next five years.
The names and units of the infected people were not immediately available.