Course Outline
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- Introduction
- Facts
- Testing
- Latent Tuberculosis Infection (LTBI) Detection Methods
- Tuberculin Skin Test (TST)
- TST Interpretation and Classification
- TST False-Negative Reactions
- Two-Step Skin Testing
- Screening Newly-Hired Health Care Employees for Latent Tuberculosis Infection (LTBI)
- The two current methods for detecting latent tuberculosis infection (LTBI) are the tuberculin skin test (TST) and blood tests known as interferon-gamm...
- Which test is preferable if an individual has previously had the vaccination Bacille Calmette-Guerin (BCG) or has been infected with non-tuberculous m...
- CDC Guidelines - Assessing Risk
- Guidelines: Centers for Disease Control and Prevention (CDC) Risk Categories
- Tuberculosis Control Plan
- Tuberculosis Control Plan, continued
- Health Care Worker (HCW) Tuberculosis Screening
- Match the recommended frequency for TB screening of a health care worker with the risk category of the health care setting from the drop-down box:
- Which statement is true regarding two-step skin testing?
- Methods of Control
- References
Additional Information
Level of Instruction: Basic.
Intended Audience: All clinical laboratory personnel.
Author information: Aileen Hyde, MS, MT(ASCP) is a freelance science writer in the Atlanta, GA area. She has a particular interest in the prevention of infectious diseases after working in research and quality management positions in the biotechnology industry. She has a bachelor's degree in Medical Technology from Southern Adventist University in Collegedale, Tennessee and a master's degree in Physiology from Loma Linda University in Loma Linda, California.
Reviewer Information: Rob Nickla, RBP (ABSA), QLS, M(ASCP) has worked in public health since 2004 and is currently the LRN (Laboratory Response Network) Biological and Chemical Threat Coordinator with the Oregon State Public Health Laboratory (OSPHL). His primary responsibilities are providing sentinel clinical laboratory outreach and training for laboratory preparedness and serving as the CDC Select Agent Responsible Official and Biosafety Officer at the OSPHL. He is an active member of several APHL (Association of Public Health Laboratories) Collaborative Workgroups, a member of the APHL Public Health Preparedness and Response Committee, and is currently serving as Chair of the APHL Sentinel Laboratories committee.
Reviewer Information: Dr. Julie Ann West is certified by the American Society for Clinical Pathology (ASCP) as a Medical Laboratory Scientist (MLS) and as a Specialist in Microbiology (SM). In addition, Dr. West has earned a PhD in Public Health - Infectious Disease Epidemiology - and is Certified in Public Health (CPH) by the National Board of Public Health Examiners. Dr. West is experienced as a Technical Specialist, Safety Officer, Educator, and Lead in the Veterans Administration Healthcare System, and has prior experience as an Administrative Laboratory Director.