Around four days after Kaeppner’s fiancee, Isabel Sleczkowski, started experiencing COVID-19-like symptoms, Kaeppner started experiencing them, too. Her mom had coronavirus over the summer, so Kaeppner...

Isabel Sleczkowski felt the blood pressure cuff squeeze her arm. She knew another 30 minutes had passed. Between the cuff, an IV, a pulse oximeter and her relentless fatigue, she could hardly hold up the...