By Wendy Thanassi MD, MA, MRO
LEARNING OBJECTIVES
Upon completion of this article, the reader will be able to:
- List the epidemiological and healthcare statistics for TB infections worldwide and in the United States.
- Discuss transmission mode and the current disease states of TB.
- Discuss the various TB laboratory methodologies and their limitations.
- List new innovations in the evolution of TB testing.

Wendy Thanassi MD, MA, MRO completed her B.A. at Yale as a double major, summa cum laude, in Biology and African Studies, followed by medical school at Stanford University with an M.D. and a concurrent Master’s degree in International Economics. She then returned to Yale New Haven Hospital for Emergency Medicine residency. Dr. Thanassi has worked on multiple volunteer and research projects in Thailand, Papua New Guinea, Australia, South Africa and Namibia. Professionally, she worked for the USus. Department of Veterans Affairs as a Chief of Occupational Health for 16 years leading the national TB testing programs for their 300,000 healthcare workers, and was a Professor at Stanford Medicine. She sits on the CDC’s Advisory Council for Elimination of TBtb; and is the Representative to the International Congress on Occupational health representing all employed Americans. In January 2024, Dr. Thanassi joined QIAGEN as the Senior Medical Director for TB & Infectious Diseases in North America.
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