Gregory Mays, Chairman of the Board, was named interim chief executive officer.
The injuries included cuts, scrapes, burns and the results of smoke inhalation, said Terry Jones, the interim chief nursing officer at the hospital.
Mr. St. Clair said the trustees would appoint an interim chief executive officer within a week.
The company has hired an interim chief operating officer and is conducting a search for a president.
Donald Hammond, interim chief compliance officer.
Thomas Bloom, interim chief financial officer.
Yesterday, Alan Bennett, Aetna's corporate controller, was named interim chief financial officer.
Today, in the aftermath of the scandal, he is the company's interim chief operating officer.
In 2011, he served as the company's interim chief executive officer.
He is replacing John W. Reece, who has been interim chief financial officer since February.