History of the development and optimization of the GLI tool

The GLI tool is the result of a cooperation between the following persons:

  • Dr. Christopher Gilpin, World Health Organization, Stop TB Department, Geneva, Switzerland
  • Dr. John C. Ridderhof, Centers for Disease Control and Prevention, Division of Laboratory Systems, Public Health Practice Program Office, Atlanta, Georgia, USA
  • Dr. Thomas M. Shinnick, Centers for Disease Control and Prevention, Division of TB Elimination, National Center for HIV, STD, and TB Prevention, Atlanta, Georgia, USA
  • Dr. Martin Baker, University of Massachusetts, UMASS Medical School, Worcester, Massachusetts
  • Dr. Armand van Deun, International Union Against Tuberculosis and Lung Disease, Paris, France
  • Dr. Jerod Scholten, KNCV Tuberculosis Foundation, The Hague, The Netherlands
  • Dr. Paul R. Klatser, Royal Tropical Institute, KIT Biomedical Research, Amsterdam, The Netherlands
  • Dr. Linda Oskam, Royal Tropical Institute, KIT Biomedical Research, Amsterdam, The Netherlands
  • Dr. Stella M. van Beers, Royal Tropical Institute, KIT Biomedical Research, Amsterdam, The Netherlands
  • Ms. Mirjam F.M. Engelberts, Royal Tropical Institute, KIT Biomedical Research, Amsterdam, The Netherlands
  • Mr. Tjeerd A.M. Datema, Royal Tropical Institute, KIT Biomedical Research, Amsterdam, The Netherlands


On the 6th and 7th of July 2011 a consensus meeting was organized at the headquarters of the World Health Organization in Geneva where the first draft of the GLI tool was presented. Useful feedback was received from many participant, which consisted of quailty management experts and national tuberculosis reference laboratory managers from various countries in Africa, North- and South America, South East Asia and Europe. To download the PowerPoint files presented during this meeting click here. The meeting agenda can be found here.


On the 22nd until the 24th of August 2011 a second consultation meeting was organized at the WHO headquarters with the objective to review and finalize the GLI tool. Click here for the participants list and click here for the agenda of this meeting.


The GLI tool was officially launched on the 11th of November 2011 at the UNION World Conference in Lille. An article to announce this launch was published in the International Journal of Tuberculosis and Lung Disease. Click here for the Pubmed record of this article.


In October 2013 a new, substantially optimized version of the GLI tool was launched.


The development and optimization of the GLI tool was funded by the TB CARE I project of USAID.



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