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Expert R. Expert was an author on the Centers for Disease Control and Prevention (CDC) Guideline for Prevention of Transmission of M. tuberculosis in Healthcare Settings and the WHO Guideline for Prevention of M. tuberculosis Transmission in Healthcare Settings in Developing Countries. He was also involved in the conduct of studies of the efficacy of BCG vaccine in the prevention of TB and/or mycobacteremia in patients and/or healthcare workers in the United States, Thailand, Taiwan, Malawi, and other countries. In addition, he participated in a number of studies assessing the immunology of BCG vaccine and its ability to prevent TB.

For 17 years, Expert coordinated and supervised the branch at the Centers for Disease Control and Prevention (CDC) that was responsible for conducting investigations of outbreaks in healthcare settings. He and his team investigated over 150 outbreaks, solved them all, and prevented recurrences. The investigations led to over 200 peer-reviewed publications. Many of these outbreaks involved intrinsic (at the time of manufacture) or extrinsic (at time of use) contamination with bacteria. In each outbreak, the source and mode of contamination was identified. Often, these investigations involved collaboration with manufacturers, the Food and Drug Administration, and local and state health departments.

Expert is board certified in pediatrics and has training in pediatric infectious diseases, epidemiology, and public health and preventive medicine. He has attended in pediatric infectious diseases at Emory University for over 20 years. In addition, he frequently gives lectures, teaches courses, or mentors medical students, public health students or pediatric infectious disease fellows. He has written many peer review publications, book chapters, and surveillance reports on clinical medicine, particularly involving infectious diseases and healthcare-associated infections. Expert often lectures on clinical infectious diseases at national and international meetings. In addition, he has trained over 50 U.S. and over 20 international clinicians in healthcare epidemiology and infection prevention and control.

Expert has been involved in conducting clinical research for over 23 years. He has developed or supervised the development and conduct of nearly 100 study protocols, is familiar with ethical and human subjects issues, study design, data collection, data analysis and publication of data from studies. He has over 70 publications of clinical studies, most involving healthcare epidemiology, prevention and control of infections in hospitals, prevention of M. tuberculosis transmission in healthcare settings, and in enhancing clinical medicine and microbiology in developing countries. In addition, he has designed and conducted studies of detection of bloodstream infections in febrile patients in developing countries.

Expert was trained in epidemiology and public health at Yale University and in Preventive Medicine at the Centers for Disease Control and Prevention (CDC). He is an adjunct assistant professor at the Rollins School of Public Health at Emory University where he has lectured on prevention and control of healthcare-associated infections for over 10 years. He has a number of positions at CDC, including Assistant Chief of the National Nosocomial Infections Surveillance (NNIS) system, and Chief of the Epidemiology Branch. For 17 years, he coordinated and supervised the Branch at the Centers for Disease Control and Prevention (CDC) that was responsible for conducting investigations of outbreaks in healthcare settings. He and his team investigated over 150 outbreaks, solved them all, and prevented recurrences. The investigations led to over 200 peer-reviewed publications. Many of these outbreaks involved intrinsic (at the time of manufacture) or extrinsic (at time of use) contamination with bacteria. In each outbreak, the source and mode of contamination was identified. Often, these investigations involved collaboration with manufacturers, the Food and Drug Administration and local and state health departments. He also was responsible for the development and publication of many of the Hospital Infection Program, CDC Guidelines for the Prevention of Nosocomial Infections.

For 17 years, Expert coordinated and supervised the Branch at the Centers for Disease Control and Prevention (CDC) that was responsible for conducting investigations of outbreaks in healthcare settings. He and his team investigated over 150 outbreaks, solved them all, and prevented recurrences. The investigations led to over 200 peer-reviewed publications. His branch was the first to investigate outbreaks associated with provision of intravenous therapy in home settings. These led to a JAMA article on bloodstream infections in home care associated with needleless devices. In addition, he and his team investigated a number of other outbreaks in home health care settings and published these results. He has published on the importance of surveillance for infections associated with home health care. He has been a speaker on infections and infection prevention in home care at national and international meetings. He has worked with national organizations and local and state health departments to develop definitions of and methods for surveillance for infections in home care.

Expert is a board certified pediatrician with subsequent training in pediatric infectious diseases. He has been a reviewer and author of many of the chapters in the American Academy of Pediatrics (AAP) Red Book, a guide for clinicians on immunization practices. In addition, he has conducted and published several studies on immunization practices in patients and healthcare workers. He was the supervisor of the Hospital Infections Program, Centers for Disease Control and Prevention's Guideline for Prevention of Infection In Healthcare Workers. He has been a vocal advocate for immunization of pediatric patients and for healthcare workers to prevent the emergence of antimicrobial resistance. He is an author of the 12 steps program for prevention of antimicrobial resistance in pediatric patients, which highlights the importance of immunization.

Expert was an author of the CDC Hand Hygiene Guideline and has been involved in numerous studies evaluating the impact of antimicrobial soaps. In addition, he has conducted numerous outbreak investigations in which hand hygiene was a factor. He has consulted with several manufacturers who produce hand hygiene (antibacterial soaps) products.

Expert has been a leader in infection control for over 20 years. He has been President of The Society for Healthcare Epidemiologists of America (SHEA), currently is on the Board of Directors (and Vice-President) of the Association for Professionals in Infection Control, Inc. (APIC) Research Foundation, and is active in other SHEA and APIC activities. He has investigated and published over 150 hospital outbreaks, written many of the current infection control guidelines, conducted hundreds of epidemiologic studies, and trained over 50 EIS officers at CDC. He spent over 22 years at CDC in leadership positions in infection control and is considered one of the world's experts in this area.

Expert has published a wide variety of infection prevention guidelines at CDC and with SHEA. He has conducted numerous intervention studies documenting prevention in action. He has over 350 publications on infection prevention. He is viewed as one of the world's experts in real infection prevention in the United States and throughout the world. He is working with a variety of medical manufacturers to implement infection prevention throughout the world.

Expert is trained in pediatric infectious diseases and has practiced for over 25 years. He is on the faculty at Emory University and has written widely on the subject. He has trained numerous infectious diseases fellows. He speaks widely on infectious disease treatment and prevention.

Expert has been involved and a leader in infectious disease control for over 25 years. He has written widely, made presentations, and consulted on infectious disease control throughout the United States and the world. He has over 350 publications in the area and consults with medical manufacturers on this subject.

Expert has wide experience with medical devices. While at CDC, he often supervised outbreak investigations involving such devices. He has worked with the FDA and State Health Departments on medical device evaluation. He has consulted with medical device manufacturers. He has been on national and international committees making recommendations on medical device use.

Expert has been involved in the evaluation of medical instruments for over 25 years. He has written guidelines, and conducted outbreak investigations and epidemiologic studies evaluating such devices.

Expert is a world leader in nosocomial infection control. He has been President of SHEA, and is on the SHEA annual planning committee. He is Acting Editor of ICHE (the SHEA journal). He has been involved in the prevention and control of nosocomial infections for over 25 years. Expert has written over 350 peer-reviewed publications on this subject, one book, and numerous guidelines and surveillance reports. He has consulted throughout the world on infection prevention. He is one of the world's leading experts in the area.

Expert has been a world's leader in studying the epidemiology and impact of antimicrobial resistance. He is an author of the SHEA Guideline to control antimicrobial resistance and has conducted numerous interventions showing how infection control methods (rather than antimicrobial controls) can reduce MDROs.

Expert has conducted studies of, outbreak investigations of, and written about P. aeruginosa for 25 years. He has authored both chapters and guidelines on this subject. He has presented at national and international meetings on this subject.

Expert has conducted outbreak investigations of and written widely about this pathogen. He is viewed as one of the world's leading experts in the epidemiology of this pathogen in hospital infections.

Expert spent 23 years in the U.S. Public Health Service, rising to the rank of Captain (retired). He was at CDC for these 23 years and is viewed as a world's expert in public health. He has interacted and collaborated with other PHS agencies, including the FDA and NIH, with the WHO, and with U.S. state health department personnel. He has collaborated with other PHS agencies on outbreak investigations, guideline development, and epidemiologic studies. He has a very solid understanding of how the public health system works in the United States and throughout the world.

Expert is a world's expert in staphylococcal infections. He has conducted numerous studies, written guidelines, and investigated outbreaks involving these pathogens. He has conducted studies showing how to reduce infections by these pathogens. He has treated many children with staphylococcal infections. He was an author on the first description of a VISA strain in the United States. He wrote the guideline for prevention of transmission of VISA and VRSA. He has consulted with medical manufacturers and with medico-legal experts on prevention and control of staphylococcal infections.

Expert is a world's expert in surgical infection epidemiology and prevention. He wrote the CDC Guideline for Prevention of Surgical Site Infection (SSI). He has conducted numerous studies of, and has made presentations throughout the world on, SSI prevention. Expert has consulted with medical manufacturers on SSI prevention. He has conducted numerous outbreak investigations and published on SSI prevention and risk factors.

As a pediatric infectious disease expert, Expert is very familiar with vaccination strategies. He has conducted numerous studies of vaccine preventable diseases and the impact of vaccination on infectious diseases in international settings.

Expert is trained in pediatrics and pediatric infectious diseases. He has attended in pediatric infectious diseases at Emory University for over 20 years. He is on the faculty at Emory University in pediatrics. He has conducted numerous outbreak investigations and studies in pediatric infectious diseases.

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Expert conducted over 150 outbreak investigations in the U.S. and throughout the world and solved them all.He has consulted with medical manufacturers, hospitals, and Ministries of Health. He has also consulted in infection control and infectious diseases in numerous countries throughout the world and for WHO and PAHO.Expert was responsible for providing epidemiology training to over 100 physicians while at CDC, during a two-year training period.He developed the CDC's National Nosocomial Infections Surveillance (NNIS) system.