source:  needtoknownews June 3, 2021 The COVID Blog 0 Joel Kallman, 54, led the team that created Oracle APEX that streamlines processes to utilize simple computing architecture. The CDC teamed up with Oracle APEX, under Mr. Kallman’s leadership, to create the v-safe After Vaccine Health Checker that is a smartphone-based tool that uses text messaging for health … Continue reading Joel Kallman, Oracle Software Developer who Designed CDC Vaccine Tracking System, Is Dead 2 Months after Taking RNA Vaccine