Dr Clarence Tam BSc MSc PhD

Honorary Senior Lecturer

About Clarence Tam

Infectious diseases, epidemiology and social networks


I hold MSc and PhD degrees in Epidemiology from the London School of Hygiene & Tropical Medicine. I was Clinical Scientist (Epidemiology) at Public Health England (formerly the Health Protection Agency) before moving full-time to LSHTM in 2006. I am currently Assistant Professor at the Saw Swee Hock School of Public Health, National University of Singapore, and Editor-in-Chief of Emerging Themes in Epidemiology, an Open Access epidemiology journal published by Biomed Central.




I currently teach on Vaccinology for Clinical and Public Health Practice, a short course run jointly by LSHTM and the National University of Singapore.


I have conducted extensive studies into the burden and epidemiology of enteric infections in the UK, as well as the burden and transmission of dengue in Sri Lanka. My research group currently focuses on the epidemiology and transmission of a range of infectious diseases using classical, molecular and social network approaches. Our work includes studies to understand the network of food supply to hawker centres in Singapore; use of electronic health records to understand the relationship between in-hospital patient movements and risk of MRSA colonisation; measure transmissibility of MRSA in households; measure the burden and aetiology of influenza and other respiratory viruses in childcare centres; and measuring high-resolution contact patterns in relation to influenza transmission in closed environments.  

To learn more about our current projects, see blog.nus.edu.sg/singaporesling

Follow us on twitter @nus_sling, or www.facebook.com/nus.sling.7

Research areas

  • Bacteria
  • Child health
  • Clinical databases
  • Diagnostics
  • Disease control
  • Economic evaluation
  • Electronic health records
  • Food
  • Outbreaks
  • Public health
  • Surveillance
  • Trade
  • Vaccines
  • Vector control
  • Viruses


  • Epidemiology
  • Statistics
  • Vaccinology
  • Virology

Disease and Health Conditions

  • Dengue
  • Diarrhoeal diseases
  • Emerging Infectious Disease
  • Hospital acquired infection
  • Infectious disease
  • Influenza
  • Vector borne disease
  • Zoonotic disease


  • East Asia & Pacific (all income levels)
  • Euro area


  • Singapore
  • Sri Lanka
  • United Kingdom

Other interests

  • Antimicrobial Resistance
  • Campylobacter
  • Campylobacter Jejuni
  • Dengue Fever
  • Infectious Diseases
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