A- A+ facebook twitter email print Opera singers are teaching long-term COVID-19 patients to breathe again July 18, 2021, 9:05 am Covid-19 shoved Jeff Sweat into a medical coma for three weeks last winter, face down on a ventilator, on death’s trap door. Read More https://wtop.com/coronavirus/2021/07/opera-singers-are-teaching-long-term-covid…