After they struggled with COVID-19 symptoms for two weeks, Joel Mahoney drove his parents to Pen Bay Medical Center in Rockport, where his mother, Nancy Mahoney, was admitted on Dec. 19, 2021 for complaints of labored breathing, fatigue and a cough. She was treated for COVID pneumonia that required supplemental oxygen. She told the hospitalist treating her that a doctor, Ellsworth internist Meryl Nass, had diagnosed her with COVID “over the phone” earlier that month and prescribed a five-day supply of the antiparasitic drug ivermectin. The proponents of using the drug to treat COVID have been roundly criticized, and the...