Mariah Carey has recovered from a respiratory infection

The singer had been forced to cancel tour dates.

Carey is set to start the tour in New York City on Saturday.

"Feeling better and back at work!" she tweeted. "Looking forward to seeing you today at the World AIDS Day 2017 concert and then starting the Christmas tour festivities!”

"Happy Thanksgiving everybody!!! I'm still under the weather but grateful to be able to celebrate with family and friends," she wrote on social media.