Dr. Chernak Presents at Homeland Security Symposium Dr. Esther Chernak, CPHRC Director, presented at the Pennsylvania Office of Homeland to Security's educational symposium entitled "Confronting the Global Threat: Bioterrorism Agents/Diseases," on October 22, 2015. She was invited to speak as a subject matter expert on potential bio pathogens. The aim of the event was to teach an audience of medical professionals (including physicians and emergency medical services personnel) about the diagnosis, investigation, and treatment process of patients/populations and the subsequent law enforcement response in the case of a bioterrorism event. Other presenters including subject matter experts from the FBI, U.S. Department of Homeland Security, Pennsylvania Department of Health, and the National Guard.