GARDNER — Heywood Healthcare reported three more cases of COVID-19 Thursday morning, and is preparing to widen the pool of clinical staff by seeking retirees who would like to step up.During Heywood Healthcare President and CEO Win Brown’s morning video greeting to staff, he said a total of 186 people have been tested as inpatients outpatients. He revealed that 51 tests have been returned with negative findings and five people have tested positive for the the coronavirus. […]