WASHINGTON : The first week and a half after leaving the hospital carry a high risk for COVID-19 patients, including trips back to the hospital, and death, according to a study.Researchers found that COVID-19 patients had a 40 to 60% higher risk of ending up back in the hospital or dying in the first 10 days, compared with similar patients treated at the same hospitals during the same months for heart failure or pneumonia.The study, published in the journal JAMA, found that by the end of 60 days, the COVID-19 patients' overall risk of readmission or death was lower than that for the other two serious conditions.It compared post-hospital outcomes for nearly 2,200 veterans who survived their hospitalisation at 132 hospitals for COVID-19, with.