TORONTO -- Smiling and flexing for the camera in a Harry Potter T-shirt, a six-year-old U.S. boy with cystic fibrosis said he has recovered after contracting the coronavirus.

鈥淚鈥檓 a cystic fibrosis warrior and I beat COVID-19,鈥 said Joseph Bostain in a .

On March 19, the boy鈥檚 mother Sabrina shared on social media that her son had tested positive for the disease. 

鈥淗e has had fever and cough and is tired! He is immune compromised from his Cystic Fibrosis!鈥 she wrote in a Facebook post.

In another post a few days later, she shared footage of a drive-by parade organized by Joseph鈥檚 school.