“Dancing with the Stars” fans are worriedDerek Houghmight miss the show’s Season 30 finale.

According toParade, Hough appeared as a judge during the show’s semifinal in-person.

However, the following day, the professional dancer revealed the news that he has tested positive for COVID-19.

Derek Hough with wide smile

Even though I’ve been fully vaccinated, I have just been diagnosed with a breakthrough case of COVID.

I just found out.

I feel strong."

Derek Hough on the red carpet

sending good vibes from New Jersey."