Week after week, 13-year-old Ami Korn holed up in his Tarzana bedroom with his dog, Barley, to isolate after testing positive for the coronavirus, waiting for the nagging headache and earaches to dissipate. “I just thought I was going to be fine,” Ami, now 14, recalled. “Most kids were fine.” Instead, the teen grew sicker. He suffered nausea and dizziness, headaches, lung inflammation, body aches and fatigue. He struggled to walk a block without tiring. His parents shuttled him to doctor after doctor for help. Korn ended up missing much of eighth grade as he continued to endure long COVID — a phenomenon in which symptoms persist for weeks, months or longer after a coronavirus infection. To read the full story.