Clinic offers hope to COVID-19 ‘long-hauler’ patients There’s just one problem. The wait list is six-months long. Updated: July 29, 2021 7:16 pm Clinics offer hope to COVID-19 "long-hauler" patients LAKELAND, Fla. – She is not just a doctor specializing in COVID-19 treatments, Dr. Kathleen Haggerty feels like a detective too. “I am a medical detective,” Haggerty told News 6. “My job is to bring together all the different symptoms that my patients have and figure out why they are having them.” It is part of the reason why Haggerty, an internist with the Watson Clinic in Lakeland, felt compelled to open Florida’s first clinic for ‘long-haulers’: people who catch COVID-19 and end up with mysterious, long-term side effects like chronic fatigue, brain fog, tremors and a racing heartbeat.