Virus Outbreak-Broadway-Celebrating Understudies

This image released by Polk & Co. shows understudy Carla Stickler in the role of Elphaba from the musical "Wicked" in New York in March 2012. Stickler, who had left show business and became a software engineer in Chicago, returned to New York to star as the green-skinned Elphaba when the cast was ravaged by illness.