He announced his illness on Twitter Oct. 20:
My warranty ran out. I'm 102 degrees. I have the flu. Enjoy Javilton. I'll be in the fetal position w a soup drip til I'm better.
He bade readers to "Enjoy Javilton," referring to his alternate, Javier Muñoz.
The new musical, which opened to rave reviews, plays Broadway's Richard Rodgers Theatre.