By Lizamishel Boateng New Haven Promise Scholar On June 16, The Yale School of Nursing (YSN) Simulation Team conducted its cumulative assessment for first-year Graduate Entry Prespecialty in Nursing (GEPN) students: a mass-casualty disaster simulation in partnership with Yale New Haven EMS Center and Nelson Ambulance. Nurse Midwifery student Shlomit Grullon ’25 MSN said the