Robert McDonald, MD, MPH joins host Chris Stallman, CGC to talk about congenital syphilis, which experts say is on the rise in the United States. Dr. McDonald is a medical epidemiologist in the Division of STD Prevention (DSTDP) at the National Center for HIV, Hepatitis, STD and TB Prevention of the US Centers for Disease Control and Prevention (CDC). Dr. McDonald serves as a CDC congenital syphilis subject matter expert, and he is also a practicing physician, focusing on HIV, STI, and harm …