(TIME) When Danni Askini started feeling chest pain, shortness of breath and a migraine all at once on a Saturday in late February, she called the oncologist who had been treating her lymphoma. Her doctor thought she might be reacting poorly to a new medication, so she sent Askini to a Boston-area emergency room. There, doctors told her it was likely pneumonia and sent her home.
Over the next several days, Askini saw her temperature spike and drop dangerously, and she developed a cough that gurgled because of all the liquid in her lungs. After two more trips to the ER that week, Askini was given a final test on the seventh day of her illness, and once doctors helped manage her flu and pneumonia symptoms, they again sent her home to recover. She waited another three days for a lab to process her test, and at last she had a diagnosis: COVID-19.