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Dr Deirdre Collins

Post-Doctoral Research Fellow

Contact Information Telephone: +61 8 6457 4092, Email:, Campus: ,
Staff Member Details
Telephone: +61 8 6457 4092


Deirdre is a postdoctoral researcher with Professor Thomas Riley's Clostridium difficile research group, based in the R&D laboratories of PathWest Laboratory Medicine, QEII Medical Centre. She is a participant in Homeward Bound 2019, a leadership program for women in science involving an expedition to Antarctica in December 2019.

Professional Associations

  • Australian Society for Microbiology
  • European Society for Clinical Microbiology Infectious Diseases
  • International Society for Infectious Diseases

Awards and Recognition

  • Trinity College Dublin Entrance Exhibition Award, 2003
  • Highest aggregate mark overall in graduating Masters class, UWA, 2010
  • Highest mark for research project in graduating Masters class, UWA, 2010
  • Highest aggregate mark in specialist stream group in graduating Masters class, UWA, 2010
  • Friends of the Institute travel award, Telethon Institute for Child Health Research (now Telethon Kids Institute), 2012
  • International Postgraduate Research Scholarship, UWA, 2012-2016
  • Australian Postgraduate Award, UWA, 2012-2016
  • UWA Graduate Research School travel award, 2013

Research Areas and Interests

  • Infectious disease epidemiology
  • Clostridium difficile infection
  • One Health
  • Antimicrobial resistance
  • Nosocomial infection


  • Doctor of Philosophy, The University of Western Australia, 2017.
  • Master of Infectious Diseases (Medical Microbiology), The University of Western Australia, 2011.
  • Bachelor in Arts, Ireland, 2007.


Recent Research Grants

  • Reducing hospital-identified Clostridium difficile infection by reducing environmental sources of C. difficile ,  Department of Health WA,  Research Translation Projects,  2017 - 2019,  $380,787.
  • Genomic analysis of Clostridium difficile ribotype 017 strains from the Asia-Pacific region,  Edith Cowan University,  School of Medical and Health Sciences Research Grant Scheme 2017,  2017,  $9,790.

Recent Publications (within the last five years)

Journal Articles

  • Riley, T., Collins, D., Karunakaran, R., Kahar, M., Adnan, A., Hassan, SA., Zainul, N., Rustam, F., Ramli, R., Wahab, Z., Lee, YY., Hassan, H., (2018), High prevalence of toxigenic and nontoxigenic Clostridium difficile strains in Malaysia. Journal of Clinical Microbiology, 56(6), e00170-18, DOI: 10.1128/JCM.00170-18.
  • McGovern, A., Androga, G., Moono, P., Collins, D., Foster, N., Chang, B., Riley, T., (2018), Evaluation of the Cepheid® Xpert® C. difficile binary toxin (BT) diagnostic assay. Anaerobe, 51(1), 12-16.
  • Collins, D., Riley, T., (2018), Letter re: Clostridium difficile guidelines. Clinical Infectious Diseases, n/a(n/a), n/a, DOI: 10.1093/cid/ciy249.
  • Collins, D., Selvey, L., Celenza, A., Riley, T., (2017), Community-associated Clostridium difficile infection in emergency department patients in Western Australia. Anaerobe, 48(August 2017), 121-125, London, United Kingdom, Academic Press, DOI: 10.1016/j.anaerobe.2017.08.008.
  • Collins, D., Putsathit, P., Elliott, B., Riley, T., (2017), Laboratory-based surveillance of Clostridium difficile strains circulating in the Australian healthcare setting in 2012. Pathology, 49(3), 309-13, DOI: 10.1016/j.pathol.2016.10.013.
  • Yusof, N., Hamid, N., Ma, ZF., Lawenko, RM., Wan Mohammad, WM., Collins, D., Liong, MT., Odamaki, T., Xiao, J., Lee, YY., (2017), Exposure to environmental microbiota explains persistent abdominal pain and irritable bowel syndrome after a major flood. Gut Pathogens, 9(1), article no.75, DOI: 10.1186/s13099-017-0224-7.
  • Collins, D., Gasem, MH., Habibie, TH., Arinton, IG., Hendriyanto, P., Hartana, AP., Riley, T., (2017), Prevalence and molecular epidemiology of Clostridium difficile infection in Indonesia. New Microbes and New Infections, 18(July 2017), 34-37, Bromley, United Kingdom, Elsevier, DOI: 10.1016/j.nmni.2017.04.006.
  • Knight, DR., Squire, MM., Collins, D., Riley, T., (2017), Genome Analysis of Clostridium difficile PCR Ribotype 014 Lineage in Australian Pigs and Humans Reveals a Diverse Genetic Repertoire and Signatures of Long-Range Interspecies Transmission. Frontiers in Microbiology, 7(2138), 48, DOI: 10.3389/fmicb.2016.02138.
  • Zainul, NH., Ma, ZF., Besari, A., Hassan, SA., Rahman, RA., Collins, D., Hamid, N., Riley, T., Lee, YY., (2017), Prevalence of Clostridium difficile infection and colonization in a tertiary hospital and elderly community of North-Eastern Peninsular Malaysia. Epidemiology and Infection, 145(14), 3012-3019, Cambridge, United Kingdom, Cambridge University Press, DOI: 10.1017/S0950268817002011.
  • Collins, D., Hoskins, A., Snelling, T., Senasinghe, K., Bowman, J., Stemberger, NA., Leach, AJ., Lehmann, D., (2017), Predictors of pneumococcal carriage and the effect of the 13-valent pneumococcal conjugate vaccination in the Western Australian Aboriginal population. Pneumonia, 9(September), 14, DOI: 10.1186/s41479-017-0038-x.
  • Collins, D., Riley, T., (2016), Routine detection of Clostridium difficile in Western Australia. Anaerobe, 37(2016), 34-37, Elsevier, DOI: 10.1016/j.anaerobe.2015.11.007.
  • Cheng, AC., Collins, D., Elliott, B., Ferguson, JK., Paterson, DL., Thean, S., Riley, T., (2016), Laboratory-based surveillance of Clostridium difficile circulating in Australia, September – November 2010. Pathology, 48(3), 257-260, Elsevier, DOI: 10.1016/j.pathol.2016.02.005.
  • Collins, D., Elliott, B., Riley, T., (2015), Molecular methods for detecting and typing of Clostridium difficile. Pathology, 47(3), 211-218, Lippincott Williams & Wilkins, DOI: 10.1097/PAT.0000000000000238.
  • Mori, N., Yoshizawa, S., Saga, T., Ishii, Y., Murakami, H., Iwata, M., Collins, D., Riley, T., Tateda, K., (2015), Incorrect diagnosis of Clostridium difficile infection in a university hospital in Japan. J Infect Chemother, 21(10), 718-22, Elsevier, DOI: 10.1016/j.jiac.2015.06.009.
  • Foster, N., Collins, D., Ditchburn, S., Duncan, C., Van Schalkwyk, J., Golledge, C., Keed, A., Riley, T., (2014), Epidemiology of Clostridium difficile infection in two tertiary-care hospitals in Perth, Western Australia: a cross-sectional study. New Microbes and New Infections, 2(3), 64-71, Elsevier Ltd, DOI: 10.1002/nmi2.43.
  • Tan, XQ., Verrall, AJ., Jureen, R., Riley, T., Collins, D., Lin, RT., Balm, MN., Chan, D., Tambyah, PA., (2014), The emergence of community-onset Clostridium difficile infection in a tertiary hospital in Singapore: A cause for concern. International Journal of Antimicrobial Agents, 43(1), 47-51, Elsevier BV, DOI: 10.1016/j.ijantimicag.2013.09.011.
  • Collins, D., Hoskins, A., Bowman, J., Jones, J., Stemberger, N., Richmond, P., Leach, A., Lehmann, D., (2013), High nasopharyngeal carriage of non-vaccine serotypes in Western Australian Aboriginal people following 10 years of pneumococcal conjugate vaccination. PLoS One, 8(12), Article no. e82280, PLOS One, DOI: 10.1371/journal.pone.0082280.
  • Collins, D., Hawkey, P., Riley, T., (2013), Epidemiology of Clostridium difficile infection in Asia. Antimicrobial Resistance and Infection Control, 2(1), Article number 21, United Kingdom, BioMed Central Ltd., DOI: 10.1186/2047-2994-2-21.
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