MALABON Mayor Jeannie Sandoval has vowed to further enhance the city’s delivery of health services to Malabueños after the Ospital ng Malabon (OsMal) received high ratings in two of the Department of Health’s (DOH) most comprehensive hospital evaluation programs.The city-run Level 1 hospital achieved an 87.64 percent rating, equivalent to 4 Green Stars, in the Green Viability Assessment (GVA) conducted by the DOH Health Facility Development Bure…