A respiratory therapist at Brooklyn’s Maimonides Medical Center got infected with the coronavirus — but was able to fight it off and eagerly returned to the front line. Raeburn Fairweather, 47, told The Post that his fever spiked to 104 degrees during a two-week ordeal of battling the deadly disease. “The Tylenol would not bring it down. My body felt like it was falling apart,” he told a reporter granted access inside the hospital. “Headaches were immense. They were making my eyeb