Cleaning couch help!

2-3 weeks ago, my son threw up on our couch. I wasn’t home so my husband used Clorox wipes to clean it off the couch but I CAN NOT get the puke smell out! I’ve tried using disinfectant spray, air freshener, carpet powder, baking soda, and sprinkling rubbing alcohol. Nothing has worked...and I’m going crazy! I’m about to the point of taking it outside, using the pressure washer and dish soap or something...and if that doesn’t work, burning it.😫😑😖 — it’s a microfiber couch.