AATB Learning
Positive PPDs and mTB Screening. When should you worry? (Individual)
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CDC’s Office of Blood, Organ, and Other Tissue Safety is tasked with coordinating investigations of infectious disease transmission from donor to recipient through blood product transfusion, solid organ transplantation, and tissue implantation. This presentation describes two investigations of infectious disease transmission through tissue implantation – Mycobacterium tuberculosis transmission through a bone allograft product and Mycoplasma hominis transmission through amniotic tissue. These investigations highlight gaps in tissue safety and traceability in the United States and suggest possible ways to enhance the safety of tissue implantation.
Rebecca J. Free, MD, MPH
Medical Officer
Centers for Disease Control and Prevention
Dr. Rebecca (Becky) Free is a Medical Officer in CDC's Office of Blood, Organ, and Other Tissue Safety. She trained in Internal Medicine, Pediatrics, and Preventive Medicine and is a graduate of CDC's Epidemic Intelligence Service (EIS) Fellowship. She joined CDC in 2015 and has worked on the agency's Ebola, Zika, and COVID-19 responses. Her current research interests include infectious disease epidemiology, specifically as it relates to blood transfusion and organ and tissue safety.
Noah Schwartz, MD
Noah Schwartz is a physician and epidemiologist in the Division of Tuberculosis Elimination at CDC, where has worked since 2019 investigating TB outbreaks and epidemiology. He co-led CDC's investigation of the 2021 nationwide TB outbreak linked to a bone graft product.
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