After you file

You can report the frontline pay you and your wife received in a separate box in Turbo Tax following the steps outlined by MichaelG81, 

Go to the Wages and Income  section of TurboTax

1. Scroll to  Less Common Income > Select  Miscellaneous Income, 1099-A, 1099-C
2. Select Other reportable Income > Enter a description (MN Frontline) and the amount for you and your wife