Department of Veterinary Pathobiology

Faculty of Veterinary Medicine and Animal Science

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Dr. A. W. Kalupahana

Senior Lecturer in Veterinary Virology

Head of the Department

Office Address :

Department of Veterinary Pathobiology,

Faculty of Veterinary Medicine & Animal Science,

University of Peradeniya, Peradeniya 20400, Sri Lanka

Email :  anilwkalupahana@yahoo.com
Phone :  +94 81 239 5603(office)
Education :
  • BVSc (Peradeniya)
  • MSc (Anglia, UK)
  • PhD (UPEI, Canada)


  • Molecular diagnosis of animal diseases
  • Viral Zoonotic diseases
  • Molecular epidemiology of viral diseases
  • Bio-security and occupational safety
  • Antimicrobial resistance
  • Viral vaccines and antivirals
  • Avian virology and aquatic virology
  • Wildlife health
  • Cell culture and organ culture technology

  1. Kalupahana A.W., Budhia S., Kalupahana R.S., Blacklaws B.A., Analysis of T cell receptor  variable (TCR V) region gene expression in sheep with maedi-visna virus (MVV) infection. Proceedings of the Peradeniya University Research Sessions, Sri Lanka. Vol 10, 2005.
  2. Matibag G.C., Kamigaki T., Kumarasiri P.V.R., Wijewardana T.G., Kalupahana A.W., Dissanayake D.R.A., De Silva D.D.N., Gunawardena G.S.P.De.S., Obayashi Y., Kanda K., Tamashiro H., Knowledge, attitudes, and practices survey of rabies in a community in Sri Lanka. Environmental Health and Preventive Medicine, 2007 Vol 12(2): 84-89
  3. Kalupahana A.W. A review on zoonotic disease situation in Sri Lanka. Proceedings of the 2nd international symposium on infectious diseases and health sciences. Post Graduate Institute of Science, University of Peradeniya, Sri Lanka. 26th- 27th July 2007. Page 36-39. >
  4. Kalupahana A.W., Pushpakumara P.G.A., Kalupahana R.S., Application of PCR based molecular diagnostic technique for the detection of Bovine Herpes Virus-1 antigen in cattle semen. Proceedings of the 60th Scientific Sessions of the Sri Lanka Veterinary Association, 2008 l 55: 27.
  5. Matibag G.C., Ditangco R.A., Kamigaki T., Wijewardana T.G., Kumarasiri P.V.R., Kalupahana A.W., Dissanayake D.R.A., De Silva D.D.N., Gunawardena G.S.P.De.S., Obayashi Y., Kanda K., Tamashiro H., Community-based evaluation of health-seeking behaviour of people with animal bite injuries in a district of Sri Lanka. Journal of International Health, 2008 Vol 23(3): 173-179
  6. Kalupahana A.W., De Silva, D.P.N., Application of polymerase chain reaction (PCR) technique to detect Koi Herpes Virus (KHV) infection in carps. Proceedings of the Peradeniya University Research Sessions, 2009, Sri Lanka. Vol 14, Part 1, Page 68-69.
  7. Wijewardana T.G., Arulkanthan A., Gunawardena G.S.P.De S., Dissanayake D.R.A., Kalupahana A.W., Jagoda S.S.S.De S., Laboratory procedures for fish disease diagnosis. Published by centre for aquatic animal disease diagnosis and research (CAADDR). Chapter 8 Virology, 2009, ISBN 978-955-0185-00-9.
  8. Kamathewatta, K.I., Salgadu, M.A., Ananthakumar, N., Bandara, T.P.M.S.D., Ariyarathna, H.S., Kalupahana, A.W., Jinadasa, H.R.N., Detection of canine parvo virus (CPV) in a selected sample of dogs in Sri Lanka by PCR. Book of abstracts of the third annual conference and scientific sessions of Sri Lankan society for microbiology (SSM) 2014 Vol 2: 43
  9. Premalal, T.W.K., Fuward R.M., Kalupahana, A.W.,Jinadasa, H.R.N., Rapid detection of canine parvovirus by PCR in dogs with gastroenteritis. Book of abstracts of the fifth annual conference and scientific sessions of Sri Lankan society for microbiology (SSM) 2016 Vol 4: 4.
  10. Kalupahana AW., (2017) Characterization of orthoreoviruses isolated from American crow (Corvus brachyrhynchos) winter mortality events in eastern Canada. 2017. On line published PhD thesis, University of Prince Edward Island, Canada. Available at
  11. Kalupahana A.W., Kibenge M.J.T., Ojkic D., Wadowska D., McBurney S., Kibenge F.S.B., Orthoreoviruses isolated from incidents of wild bird mortality in eastern Canada. 2017 Genebank submission Accession Nos. MF350293-MF350297.
  12. Rathnayake S.P., Weeraddana G., Mutusinghe D., Yoshimatsu K., Arikawa J., Gamage C.D., Kalupahana A.W. Sero-epidemiological survey of hantavirus infection among rodents captured in Kandy and Peradeniya areas in Sri Lanka. Proceedings of the 70th Annual Scientific Session of the Sri Lanka Veterinary Association, 2018. Sri Lanka Vet. J. 2018,65(2): 51.
  13. Rathnayake R.M.I.M., Dhanapala D.M.P.M., Jagoda S.S.S. De S., Kalupahana A.W. Detection of megalocytivirus from a freshwater giant gourami (Osphronemus gouramy) in Sri Lanka. Proceedings of the 71st Annual Scientific Session of the Sri Lanka Veterinary Association, 2019.
  14. Rathnayake S.P., Udayanga N.W.B.A.L., Gunathilaka P.A.D.H.N., Kalupahana A.W. Prevalence of animal bite injuries reported to base hospital Kayts, Northern Province of Sri Lanka and health seeking behaviour of patients: a retrospective cohort study. Proceedings of the 71st Annual Scientific Session of the Sri Lanka Veterinary Association, 2019.
  15. de Silva N., Kalupahana A.W. Diagnosis of helicopter chick disease caused by avian orthoreovirus in a large broiler farm in the North western province of Sri Lanka. Proceedings of the 71st Annual Scientific Session of the Sri Lanka Veterinary Association, 2019.
  16. Kibenge F.S.B., Wang Y., Kibenge M.J.T., Kalupahana A., McBurney S., Avian Virology. Chapter 6 – Avian Reovirus. Page 175-206. Caister Academic Press, UK. 2019. ISBN 978-1-912530-10-6