Working Groups

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Current Officers

M Vos


Margreet Vos

M David


Michael David

S Stefani


Stefania Stefani


Harald Seifert

All Members

Peter Appelbaum (USA)
Valerie Baede (The Netherlands)
Abhijit Bal (UK)
Marc Bonten (The Netherlands)
Marine Butin (France)
Elena Carrara (Italy)
Roberta Cauda (Italy)
Geoff Coombs (Australia)
Ralph Corey (USA)
Mette Damkjær Bartels (Denmark)
Stephanie Dancer (UK)
Matthew Dryden (UK)
Johnathan Edgeworth (UK)
Andrea Endimiani (Switzerland)
Silvano Esposito (Italy)
Laurent Frederic (France)
Javier Garau (Spain)
Evangelos Giamarellos-Bourboulis (Greece)
Efthymia Giannitsioti (Greece)
Tom Gottlieb (Australia)
Hajo Grundmann (The Netherlands)
Francesco Guidol (Spain)
Stephan Harbarth (Switzerland)
Peter Hawkey (UK)
Helen Heffernan (New Zealand)
Matthew Holden (UK)
Benjamin Howden (Australia)
Po-Ren Hsueh (Taiwan)
Trond Jacobsen (Norway)
Vincent Jarlier (France)
Adam Ahmed Kikerbo (Nigeria)
Angela Kearns (UK)
Jesper Larsen (Denmark)
Moysis Lelekis (Greece)
Daniel Lew (Switzerland)
Jodi Lindsay (UK)
Fiona MacKenzie (UK)
Teresita Mazzei (Italy)
José Melo Cristino (Portugal)
John Merlino (Australia)
Marina Morgan (UK)
Christoph Naber (Germany)
Andrea Novelli (Italy)
Annalisa Pantosti (Italy)
Federico Pea (Italy)
Sharon Peacock (UK)
Georg Peters (Germany)
Francesco Scaglione (Italy)
Atef Shibl (Saudi Arabia)
Alex Soriano (Spain)
Marc Struelens (Belgium)
Evalina Tacconelli (Italy)
Paul Tambyah (Singapore)
Pierre Tattevin (France)
Fred Tenover (USA)
Serhat Unal (Turkey)
Alex Van Belkum (The Netherlands)
Henri A Verbrugh (The Netherlands)
Andreas Voss (The Netherlands)
Henrik Westh (Denmark)
Wolfgang Witte (Germany)


How to Join

ISAC Working Groups are open to new members with a strong interest and relevant experience in the given field. To join an ISAC Working Group, please contact Fee Johnstone, ISAC Executive Officer with your name and a brief C.V. We welcome new members!

Aims and Objectives

Multi-resistant Staphylococcus aureus (MRSA) is a scourge on health services around the world. While not new - the first methicillin-resistant cases were discovered within a year of marketing this drug in 1961 and in the 1950s streptomycin/tetracycline resistant strains were problematic - it continues to evolve with new super-antigen and toxin-laden strains arising de novo in the community and causing great concern because of high transmissibility and occasional mortality.

There is little doubt that, for many countries, MRSA is the major emerging infectious disease of concern, particularly in the healthcare setting. The societal cost in the UK alone has been estimated at over £10 billion/year. The organism has a unique ability to colonise, evolve, invade tissues causing a huge variety of primary and opportunist infections, survive in the environment and spread from patient to patient, often via healthcare staff or fomites. Recent elucidation of the genome of a virulent CAMRSA, USA 300, demonstrates the potential genetic diversity and prospects for further increases in pathogenicity, virulence and antibiotic resistance.

The MRSA Working Group aims to foster the international exchange of ideas and new research into all aspects of MRSA with a view to discovering the best control strategies by implementing the following work plan:

  • Organise an annual workshop on MRSA
  • Organise occasional PG educational meetings on MRSA
  • Encourage submission of original research to the International Journal of Antimicrobial Agents
  • Encourage collaborative research on MRSA

The new MRSA Working Group leadership took effect in 2019.



The MRSA Working Group held a webinar on Regional and National MRSA Surveillance Programmes in 2021:

The MRSA Working Group held a webinar on Regional & National MRSA Surveillance Programmes on 10 March 2021. You can watch the full recording here.

The first meeting included brief presentations from laboratories in several countries that undertake MRSA surveillance. This was followed by a period of moderated discussion to assess best practices. The goals were to understand the variety of approaches to surveillance worldwide and to develop principles that may underlie future harmonization of surveillance methods.  

Presentations / Publications

MRSA Surveillance Programmes Worldwide: Moving towards a harmonised international approach
Valérie O Baede, Michael Z David, Arjana Tambic Andrasevic et al
Int J Antimicrob Agents. 2022 Mar;59(3):106538. doi: 10.1016/j.ijantimicag.2022.106538.
November 2016 6th MRSA Working Group Consensus Conference, Palma de Mallorca, Spain
May 2014 5th MRSA Working Group Consensus Conference, Verona, Italy
June 2013 Symposium for the 28th ICC in Yokohama, Japan
May 2013 4th MRSA Working Group Consensus Meeting, Sicily
November 2012 Symposium at the 3rd SEEC in Dubrovnik, Croatia
May 2012 3rd MRSA Working Group Consensus Meeting, Naples
November 2011 Symposium at the 2nd SEEC in Belgrade, Serbia
September 2011 51st ICAAC Symposium, Washington DC, USA
May 2011 27th ICC Symposium, Milan, Italy
March 2011 2nd MRSA Consensus, Florence, Italy
September 2010 Symposium at Asian Congress of Paediatric Infectious Diseases, Taiwan
May 2010 4th ISC European Conference on Blood Stream Infections, Athens, Greece
March 2010 1st MRSA Consensus Conference, Rome, Italy

Future / Ongoing Projects

  • Planning / writing consensus papers relevant to the Working Group
  • Regular group meetings
  • Sending proposals for the 33rd International Congress of Antimicrobial Chemotherapy (ICC)

Last updated: June 28th-2023