Jayson Tatum says his battle with COVID is STILL ongoing after 3 months ... telling reporters his breathing remains so messed up, he's been forced to use an inhaler before games.
The Boston Celtics superstar was diagnosed with the virus back in early January ... and missed nearly the entire month battling its effects.
The 23-year-old ultimately recovered ... though he said after the Celtics' win over the Trailblazers on Tuesday night that his lungs still have yet to bounce back to 100%.
"It's a process," Tatum said. "It takes a long time.