Professor N Kithsiri Gunawardena
MBBS (Ruhuna), PhD (Nagasaki)
Senior Professor
Head of the Department
Department of Parasitology
Head of the Department
Department of Parasitology
Specialization
Medical Parasitology
Research Interests
- Spatial epidemiology of neglected tropical diseases
- Intestinal Nematodes
- Filariasis
- Snake bites and Dengue
Awards and Fellowships
- Cash Awards for Winning Presidential Awards – 2014
- Vice Chancellor’s Award for bringing honour to the University by winning prestigious national or international award in 2014
- Presidential Awards for Research – Scientific Research Published in the year 2011 in International Scientific Journals cited in Science Citation Index.
- Kumaradasa Rajasuriya award for the best paper in Tropical Medicine Titled “Community incidence of snakebite and envenoming in Sri Lanka: results of a national survey” Sri Lanka Medical Association, 2014.
- Sir Frank Gunasekera Award for the best paper in Community Medicine & Tuberculosis presentation "Community incidence of snake bite in Anuradhapura district" Sri Lanka Medical Association, 2013
- First Runner up in the Case presentation for the paper titled “Cluster randomized trial of the impact of school based deworming and weekly iron supplementation on haemoglobin level of plantation primary school children” Collage of community physicians of Sri Lanka 2013
- Vice Chancellor’s Award for bringing honour to the University by winning prestigious national or international award in 2010
- Presidential Awards for Research – Scientific Research Published in the year 2003 in International Scientific Journals cited in Science Citation Index. Annals of Tropical Medicine and Parasitology, 97(2): 179-185, 2003
- Award for the best scientific paper in Clinical Immunology titled “The effect of intestinal nematode infections on atopic diseases” Allergy and Immunology Society of Sri Lanka, 2009
- Vice Chancellor’s Award for bringing honour to the University by winning prestigious national or international award in 2008
- Presidential Awards for Research – Scientific Research Published in the year 2002 in International Scientific Journals cited in Science Citation Index. Trans Roy Soc Med Hyg96 : 41-45, 2002
- Award for the best paper for the presentation “Knowledge, Awareness and Practices (KAP) on Dengue Fever (DF) and Dengue Haemorrhagic Fever (DHF) in urban, semi-urban and rural communities of Southern, Sri Lanka” at the 66th Annual Sessions of the Galle Medical Association, Sep 2007.
- Award for the Best Poster presentation "An independent evaluation of the August 2004 Mass Drug Administration for elimination of lymphatic filariasis in Colombo Municipality area” at the 119th Annual Sessions of the Sri Lanka Medical Association March 2006.
- President’s Research Bonus 2001 for research papers published in American Journal of Tropical Medicine & Hygiene 65(4) pp. 362-365 and Annals of Tropical. Medicine and Parasitology 95 3: 263-273.
- Award for the best paper for the presentation “Efficacy of lamdacyhalothrin (Icon) impregnated house curtains against the vector of bancroftianfilariasis, Culexquinquefasciatus Say in Matara, Sri Lanka” at the 59th Annual Sessions of the Galle Medical Association. Sep 2000.
- President’s Research Bonus 1999 for the research paper published in Tropical Medicine & International Health 4:207-210.
- Award for the best paper for the presentation “Comparative long-term efficacy of single dose diethylcarbamazine (DEC) and combinations of albendazole with DEC and ivermectin” at the 58th Annual Sessions of the Galle Medical Association. Aug 1999.
- Award for the best scientific paper for the presentation “The detection of Wuchereriabancrofti circulating antigen using finger prick blood in filter paper at the 56th Annual Sessions of the Galle Medical Association. Nov 1997.
- Sir Frank Gunasekera Award for the presentation "Microfilarial periodicity of Wuchereriabancrofti and biting periodicity of Culexquinque fasciatus in Matara" at the 109th Annual Sessions of the Sri Lanka Medical Association, March 1996.
Publications
Publications in peer reviewed Journals
- Greenland, Katie, Ruth Dixon, Shabbir Ali Khan, Kithsiri Gunawardena, Jimmy H. Kihara, Jennifer L. Smith, Lesley Drake et al. "The Epidemiology of Soil-Transmitted Helminths in Bihar State, India." Journal of PLOS Neglected Tropical Diseases (2015) Abstract
- Devanarayana NM, Rajindrajith S, Pathmeswaran A, Abegunasekara C, Gunawardena NK, Benninga MA Epidemiology of irritable bowel syndrome in children and adolescents in Asia. Journal of Pediatric Gastroenterology and Nutrition 60(6)(2015):792-798
- Greenland, Katie, Ruth Dixon, Shabbir Ali Khan, Kithsiri Gunawardena, Jimmy H. Kihara, Jennifer L. Smith, Lesley Drake et al The Epidemiology of Soil-Transmitted Helminths in Bihar State, India.(2015)
- Devanarayana N M, Rajindrajith S, Pathmeswaran A, Abegunasekara C, Gunawardena NK, M A (2015) Irritable Bowel Syndrome in Children and Adolescents in Asia: A Systematic Review and Meta-Analysis of the Epidemiology. Journal of Pediatric Gastroenterology and Nutrition
- Gunawardena NK Introduction to Geographic Information System. The Bulletin of the Sri Lanka College of Microbiologists. 08/2014; 12(1):34-37.
- Gunawardena S, Gunawardena NK, Kahathuduwa G, Karunaweera ND, de Silva NR, Ranasinghe UB, Samarasekara SD, Nagodavithana KC, Rao RU, Rebollo MP, Weil GJ. Integrated school-based surveillance for soil-transmitted helminth infections and lymphatic filariasis in Gampaha district, Sri Lanka. The American Journal of Tropical Medicine and Hygiene 2014; 90(4): 661-6.
- Ebenezer R, Gunawardena K, Kumarendran B, Pathmeswaran A, Jukes MC, Drake LJ, de Silva N.Cluster-randomised trial of the impact of school-based deworming and iron supplementation on the cognitive abilities of schoolchildren in Sri Lanka's plantation sector. Tropical Medicine and International Health 2013; 18(8): 942-51.
- Gunawardena NK, Chandrasena TN, de Silva NR. Prevalence of enterobiasis among primary school children in Ragama, Sri Lanka. The Ceylon Medical Journal 2013; 58(3): 106-10
- Wijegunawardana AD, Gunawardane NS, Hapuarachchi C, Manamperi A, Gunawardena K, Abeyewickreme W, Latif B. Evaluation of PCR-ELISA as a tool for monitoring transmission of Wuchereria bancrofti in District of Gampaha, Sri Lanka. Asian Pacific Journal of Tropical Biomedicine 2013; 3(5): 381-7.
- Amarasekera M, Gunawardena NK, de Silva NR, Douglass JA, O'Hehir RE, Weerasinghe A. Impact of helminth infection on childhood allergic diseases in an area in transition from high to low infection burden. Asia Pacific Allergy 2012; 2(2): 122-8.
- Gunawardena K, Kumarendran B, Ebenezer R, Gunasingha MS, Pathmeswaran A, et al. (2011) Soil-Transmitted Helminth Infections among Plantation Sector Schoolchildren in Sri Lanka: Prevalence after Ten Years of Preventive Chemotherapy. PLoSNegl Trop Dis 5(9): e1341.
- Chandrasena TG, Gunawardena NK, Premaratna R, de Silva NR (2011) Ultrasonographicvisualisation of live Wuchereriabancroftiadult worms in situ. The Ceylon Medical Journal 56 (2): 82-3
- Amarasekera N D D M, Gunawardena NK, de Silva N R and Weerasinghe A (2010) Prevalence of childhood atopic diseases in the Western Province of Sri Lanka Ceylon Medical Journal 55 (1): 5 - 8
- Kasturiratne A, Wickremasinghe AR, de Silva N, Gunawardena NK, Pathmeswaran A, Premaratna R, Savioli L,. Lalloo D G, de Silva H J(2008) The global burden of snakebite: A literature analysis and modelling based on regional estimates of envenoming and deaths. PLoS Medicine 5(11): e218./journal.pmed.0050218
- Hapuarachchi HAC, Gunawardena NK, Senevirathne MP, Abeywickrame W, de Silva NR(2008) A case of imported malaria: the first report of a Plasmodium malariae infection in Sri Lanka after 37 years. Ceylon Medical Journal 53 (2): 53-54
- Gunawardena NK, Amarasekara NDDM, Pathmeshwaran A, de Silva NR (2008) Effect of repeated mass chemotherapy for filariasis control on soil-transmitted helminth infections in Sri Lanka. Ceylon Medical Journal 53 (1) : 13-16.
- Weerasooriya MV, Yahathugoda TC, Wickramasinghe D, Gunawardena NK, Dharmadasa RA, Vidanapathirana KK, Weerasekara SH &Samarawickrema WA (2007)Social mobilisation, drug coverage and compliance and adverse reactions in a Mass Drug Administration (MDA) Programme for the Elimination of Lymphatic Filariasis in Sri Lanka. FilariaJournal, 6: 11.
- GunawardenaNK, Fujimaki Y, Aoki Y, Mishima N, Ezaki T, Uni S, Kimura E. (2005) Differential effects of diethylcarbamazine, tetracycline and the combination on Brugiapahangi adult females in vitro. Parasitology International. Dec;54(4):253-9
- Weerasooriya MV, Itoh M, Mudalige MPS, Qiu X-G, Kimura E, Gunawardena NK & Fujimaki Y (2003)Human infection with Wuchereriabancrofti in Matara, Sri Lanka: the use in parallel, of an ELISA to detect filaria-specific IgG4 in urine and of ICT card tests to detect filarial antigen in whole blood. Annals of Tropical Medicine and Parasitology, 97(2): 179-185
- Gunawardena NK, Fujimaki Y & Aoki Y (2003) Chemotactic response of Brugiapahangi infective larvae to serum in vitro. Parasitology Research90 (2): 337-342
- Weerasooriya MV, Gunawardena NK, Itoh M, Qiu X-G & Kimura E (2002) Prevalence and intensity of Wuchereriabancroftiantigenaemia in Sri Lanka by Og4C3 ELISA using filter paper absorbed whole blood. Transactions of Royal Society of Tropical Medicine and Hygiene, 96(1): 41-45.
- ItohM,Weerasooriya MV, Qiu X-G, Gunawardena NK, Anantaphruti MT, Tesana S, Rattanaxay P, Fujimaki Y & Kimura E (2001) Sensitive and specific enzyme-linked immunosorbant assay for the diagnosis of Wuchereriabancrofti infection in urine samples. The American Journal of Tropical Medicine and Hygiene65(4): 362-365
- WeerasooriyaMirani V, Weerasooriya TR, Gunawardena NK, Samarawickrema WA & Kimura E (2001)Epidemiology of bancroftianfilariasis in three suburban areas in Matara, Sri Lanka. Annals of Tropical Medicine and Parasitology, 95 (3): 263-273
- Itoh M, Weerasooriya MV, Gunawardena NK, Mudalige MPS, Samarawickrema WA & Kimura E (1999) A Study on Wuchereriabancroftiantigenaemia in Sri Lanka. Tropical Medicine and International Health, 4: 207-210.
- Itoh M, Gunawardena NK, Xu-Guang Qui, WeerasooriyaMirani V & Kimura E (1998) The use of whole blood absorbed on filter paper to detect Wuchereriabancrofti circulating antigen. Transactions of Royal Society of the Tropical Medicine and Hygiene, 92: 513-515.
- Weerasooriya Mirani V, MudaligeMalka PS, Gunawardena NK, Kimura E &Samarawickrema WA (1998) Microfilaria periodicity of Wuchereriabancrofti in comparison with man landing periodicity of Culexquinquefasciatus in Matara, Sri Lanka. Ceylon Medical Journal, 43: 78-83.
Publications in Conference Proceedings (Oral and Poster Presentations)
- Chandrasena TGAN, Rajendrajith S, Gunawardena NK, Liyanarachchi N, Abeselara CK, Matsumoto T, Yahiro T, Nishizono A, Ahamed K (2014) Surveillance of rotavirus in three hospital settings of Sri Lanka 2007-2010 Sri Lanka College of Microbiologists Bulletin 12(1); 08/2014
- A Pathmeswaran, A Kasturirartne, NK Gunawardena, BA Wijayawickrama, SF Jayamanne, DS Ediriweera, G Isbister, A Dawson, DG Lallo, HJ de Silva. Community incidence of snakebite and envenoming in Sri Lanka: results of a national survey 127th Anniversary Scientific Medical Congress of The Sri Lanka Medical Association; 2014
- Minako Takaki, Nilmini Chandrasena, Shaman Rajindrajith, NK Gunawardena, Akira Nishizono and Kamruddin Ahmed. Study of Molecular characterization of a porcine rotavirus detected in a Srilankan child with acute diarrhoea. 6th ASEAN Congress of Tropical medicine and parasitology intercontinental Kuala Lumpur; 2014
- Ebenezer R, Gunawardena NK, Kumarendran B, Pathmeswaran A, de Silva NR. Cluster randomized trial of the impact of school based deworming and weekly iron supplementation on haemoglobin level of plantation primary school children. 18th Annual Academic Sessions of the College of the Community Physicians of Sri Lanka, Colombo Sept 2013, p21
- Gunawardena NK, Kumarendran B, Manamperi NH, Senarathna BP, Silva M, Pathmeswaran A, de Silva NR. Randomized placebo-controlled trial of the efficacy of mebendazole polymorphs in the treatment of hookworm infections. 62nd Annual Meeting of the American Society of Tropical Medicine & Hygiene, Washington DC, USA, Nov 2013, p 313
- Gunawardena NK, Gunawardena S, Kahathuduwa G, Karunaweera ND, de Silva N, Ranasinghe US, Rao RU, Rebollo M, Weil GJ. Integrated school-based surveillance for soil-transmitted helminth infections and for lymphatic filariasis in Gampaha district, Sri Lanka. 62nd Annual Meeting of the American Society of Tropical Medicine & Hygiene, Washington DC, USA, Nov 2013, p 450.
- Gunawardena NK, Kumarendran, Manamperi NH, Senarathna BP, Silva M, Pathmeswaran A, De Silva NR Randomized placebo-controlled trial of the efficacy of mebendazole polymorphs in the treatment of hookworm infections Sri Lanka College of Microbiologists Bulletin 11(1) July 2013; 07/2013
- M Takakl, TgnChandrasena, S Rajindrajith, A Nishizono, K Ahmecf, NK Gunawardena Detection of a porcine rotavirus in a child with acute diarrhoea in Sri Lanka 126th Anniversary Scientific Medical Congress of The Sri Lanka Medical Association; 07/2013
- Kasthurirathne A, Gunawardena N K, Wijayawickrama B A, Pathmeshwaran A, Isbister G, Dawson A, de Silva Community Incidence of snakebite in the Anuradhapura district H J 126th Anniversary Scientific Medical Congress of The Sri Lanka Medical Association; 07/2013
- Goto K, akashiShinzaki T, Kumarendran B, Gunasekara D, Gunawardena N K, Kaneko S A System Construction for Collecting and Tracing Patient Information by using Vein Authentication Conference on Sri Lanka - Japan Collaborative Research 2013 29th - 31st March, University of Peradeniya, Sri Lanka
- Gunawardena NK, Chandrasena TGAN, Senarathne BP, Silva GMKS and De Silva NR Prealennce of enterobaiasis among primary school children in Ragama MOH region The Bulletin of the Sri Lanka College of Microbilogist 2012; 10:1 OP-15
- Manamperi NH, Anjalee KGC, Gunawardena NK, Sudusinghe H, Nilaweera THWT, de Silva NR. Comparison of laboratory techniques for diagnosis of hookworm infections. 20th Annual Sessions of the Sri Lanka College of Microbiologists Colombo, Sept 2011, p 19.
- Chandrasena TGAN, Rajindrajith S, Gunawardena NK, Abeywardena UATM, Ranasinghe SL, Nishizono A, Moji K and Kamruddin A Rotavirus survelance at the North Colombo Teaching Hospital Sri Lanka 2007-2008 Proceedings of Annual Scientific Congress of the Sri Lanka Collage of Paediatrics 2010 OP-7
- Gunawardena NK, Rajindrajith S, Chandrasena TGAN, Nishizono A, Moji K and Kamruddin A Spatial epidemiology and hotspots of rotavirus in children: an analysis and mapping using geographic information system Proceedings of Annual Scientific Congress of the Sri Lanka Collage of Paediatrics 2010 OP-6
- Amarasekera NDDM, Gunawardena NK, de Silva NR, Weerasinghe GAK Association between asthma and rhynitis 123rd Annual Scientific Sessions, Sri Lanka Medical Association, Colombo 2010; OP-9
- Gunawardena NK, Gunasinghe HMMSK, Kumarendran B, Pathmeshwaran A and de Silva N R Prevalence of soil-transmitted helminth infections and malnutrition among 9-10 year old children attending estate sector schools Association between asthma and rhynitis 123rd Annual Scientific Sessions, Sri Lanka Medical Association, Colombo 2010; OP-25
- Chandrasena TGN, Gunawardena NK, Ibulpitiya IVB, Balasooriya BADH, Ariyarathne WPH and De Silva NR Intestinal Parasitic infections amoung a selected group of institutionalised psychiatric patients The Bulletin of the Sri Lanka College of Microbilogist 2009; 7:1 OP-10.
- Amarasekera NDDM, Gunawardena NK, de Silva NR, Douglass J, O’Hehir R, Weerasinghe AThe effect of intestinal nematode infections on atopic diseasesin children. 4th Biennial scientific sessions, Allergy and Immunology Society of Sri Lanka, Colombo, 2009
- Abeywickreme W, Hapangama HADC, Silva Guawardene YIN, Hapugoda MD, Gunawardena NK, and WickramasingheAR Knowledge Attitude and Practices (KAP) on dengue control in Gampaha District. 64th Annual Sessions of the Sri Lanka Association for the Advancement of Science 2008; O4A.
- Amarasekera NDDM, Gunawardena NK, de Silva NR, Pathmeshwaran A, Douglass J, O’Hehir R, Weerasinghe A Reduced risk of atopic diseases among schoolchildren infected with intestinal Nematodes The 4th Congress of the Federation of Immunology Societies of Asia-Oceania Taipei, Taiwan, 2008; OP- 24.
- Hapugoda MD, Gunawardena NK, Kusumawathie PHD, Jayasooriya GAJSK, Hapuarachchi HAC, Abeywickrame W Geographical information system(GIS)- based maps for monitoring of entomological risk factors affecting transmission of chickungunya in Sri Lanka Joint international Tropical Medicine Meeting Bangkok, Thailand 2008; OP 102.
- Amarasekera NDDM, Gunawardena NK, de Silva NR, Weerasinghe A Allergic sensitization in children 11th Annual Scientific Congress of the Sri Lanka Collage of Paediatricians 2008; OP 18.
- Abeywickreme W, Hapangama HADC, Weerasinghe I, Hapugoda D, Silva Gumawardene YIN, Gunawardena NK, Wickramasinghe AR An Entomological study to plan intervention for prevention of Dengue in Gampaha District, Sri Lanka 13th International conference on infectious diseases Kuala Lumpure Malaysia 2008; PP- 24.
- Hapuarachchi HAC, Abeysundara S, Gunawardena NK, Manameri A, Senevirathne MP, Leemingsawat S, Chavalitshewinkoon-petmitr P, de Silva NR, Abeywickrame W A mixed infection of Plasmodium falciparum and Plasmodium malariae: the first report of a Plasmodium malariae infection after 37 years of its absence in Sri Lanka The Third ASEAN Congress of Tropical Medicine and Parasitology, Bankok, Thailand 2008; OP-23.
- Amarasekera NDDM, Gunawardena NK, de Silva NR, Weerasinghe A. High serum total IgE in children in geohelminthic endemic setting. 121st Annual Scientific Sessions, Sri Lanka Medical Association, Colombo 2008; OP-14
- Premaratna R, Chandrasena TGAN, Gunawardena NK, de Silva NR, de Silva HJ. Filarial dance sign (FDS) in patients with lymphatic filariasis 121st Annual Scientific Sessions, Sri Lanka Medical Association, Colombo 2008; OP-15
- Amarasekera NDDM, Gunawardena NK, de Silva NR, Weerasinghe A. Prevalence of atopic diseases among schoolchildren in Western Province. 8th Annual Research Symposium, Faculty of Graduate Studies, University of Kelaniya, Kelaniya 2007; 5.5
- Amarasekera NDDM, Gunawardena NK, de Silva NR, Douglass J O’Hehir RE and Weerasinghe. A Association between serum total IgE, allergic diseases and geohelminth infections in Sri Lankan children XX World Allergy Congress, Bangkok, Thailand 2007; OP-90.
- Wijegunawardana NDAD, Silva Gunawardane YIN, Abeyewickreme W, Gunawardena NKHapuarachchi HAC, Abeysundara S. Night blood survey of a selected high-risk population for lymphatic filariasis 63rd Annual Sessions of the Sri Lanka Association for the Advancement of Science 2007; 002A.
- Perera, E.D.T., Wijesiriwardena, B. , De Silva, S.T., Hapugoda, M.D., Bandara, K.B.A.T., Dayanath, M.Y.D., Wellawaththage, L.C., Gunewardena, N.K., Hapuarachchi, C. and Abeyewickreme, W.Re-emergence of chikungunya in Sri Lanka: First confirmation of the 2006 outbreak by molecular diagnosis. Proceedings of the Sri Lanka Association for the Advancement of Science2007; 63:16.
- Abeywickrame W, Bandara KBAT, Dayanath MYD, DulangiSumanadasa,Hapuarachchi C, Gunawardena NK, MenakaHapugoda, Wijesiriwardena B, Shayama de Silva and ThiliniPerera Recent chikungunya outbreak in Sri Lanka 2006-2007. Joint International Tropical Medicine Meeting, Bangkok Thailand 2007.
- Gunawardena NK, Amarasekera NDDM Pathmeshwaran A, de Silva NR Effect of masschemotherapy for filariasis control on soil-transmitted helminth infection in Western Province of Sri Lanka Centenary Conference, The Royal Society of Tropical Medicine and Hygiene, London-UK2007; P1.25.
- Yahathugoda TC, Gunawardena NK, Weerasooriya MV, Gunaratne GPS, Danujaya Mand Samarawickrema WA. Knowledge, Awareness and Practices (KAP) on Dengue Fever (DF) and Dengue Haemorrhagic Fever (DHF) in urban, semi-urban and rural communities of Southern, Sri Lanka. Galle Medical Journal2007; 12(1): 88.
- Gunawardena NK, Amarasekara NDDM, de Silva NR Impact of repeated mass chemotherapy for filariasis control on soil-transmitted helminth infection in Sri Lanka 120th Annual scientific sessions of the Sri Lanka Medical Association, Colombo, 2007 OP 24
- Subasinghe GP, Yahathugoda C, Wickramasinghe D, Gunawardena NK, Dhanuja Mahesh KH, Weerasooriya MV &Samarawickrema WA. Awareness of the National Programme for Elimination of Lymphatic Filariasis (PELF) among doctors doing private practice.119th Annual scientific sessions of the Sri Lanka Medical Association, Colombo, 2006: PP 14
- Weerasooriya MV, Gunawardena NK, Yahathugoda C, Wickramasinghe D, Mudalige MPS, Vidanapathirana KK &Samarawickrema WA. An independent evaluation of the August 2004 Mass Drug Administration for Elimination of Lymphatic Filariasis in Colombo Municipality area. 119th Annual scientific sessions of the Sri Lanka Medical Association, Colombo, 2006 PP 17
- Wickramasinghe D, Yahathugoda TC, Gunawardena NK, Dharnadasa RA Weerasooriya MV, Vidanapathirana K, Weerasekara SH and Samarawickrama WA. Independent Evaluation of the July 2003 National programme for the Elimination of Lymphatic Filariasis on 117th Anniversary Academic Sessions of the Sri Lanka Medical Association 2004 OP 15.
- Wickramasinghe D, Yahathugoda TC, Gunawardena NK, Dharmadasa RA, Weerasooriya MV, Vidanapathirana KK, Weerasekara SH &Samarawickrema WA (2004) Independent evaluation of the July 2003 National Programme for the elimination of lymphatic filariasis. 1st ASEAN Congress of Parasitology and Tropical Medicine &40th Annual Seminar of MSPTM, Kuala Lumpur, Malaysia S8. 7.
- Gunawardena NK, Fujimaki Y, Aoki Y and Kimura E Differential effect of diethylcarbamazine, tetracycline and the combination on Brugiapahangi female adults in vitro The 72nd Annual Meeting of The Japanese Society of Parasitology Kurume Japan 2003 28-III-14
- Fujimaki Y, Gunawardena NKand Aoki Y. Jird serum substances that filarial infective larvae recognize on host entry. 71st Annual Meeting of the Japanese Society of Parasitology, Isehara, Japan 2002; C-35 : 148.
- Gunawardena NK,Fujimaki Y and Aoki Y. Involvement of cAMP/cGMP and proteinkinases on filarial infective larvae host recognition. 71st Annual Meeting of the Japanese Society of Parasitology, Isehara, Japan 2002; C-36.
- Fujimaki Y, Gunawardena N.K. and Aoki Y. Chemotaxis of filarial infective larvae to host serum. The 54th South Japan Regional Meeting of The Japanese Society of Parasitology Kitakyushu Japan 2001 ;9
- Gunawardena N.K.,Fujimaki Y and Aoki Y. Possible role of Calcium/Calmodulin Pathway as Mediators of Host Recognizing Mechanisms of Filarial Infective Larva The 54th South Japan Regional Meeting of The Japanese Society of ParasitologyKitakyushu, Japan 2001: 10
- Itoh M, Weerasooriya MV, Ohta N, Gunawardena NK, Fujimaki Y, Qiu X-G, Kimura . A trial to Detect anti-B.pahangi IgG4 in urine from children under 5 years old in order to evaluate filariasis control measures The 42nd Annual Meeting of Japanese Society of Tropical Medicine 2001; supplement vol. 29 :149.
- Gunawardena NK, Weerasooriya MV, Kimura E, Itoh M & Kobayashi F. Effect of nocturnally periodic Wuchereriabancroftimicrofilariaemia on the circadian fluctuation of blood pressure. Galle Medical Journal 2001; 3.1:4.
- Itoh. M, Weerasooriya M.V, Qiu X-G , Gunawardena N.K, Anantaphruti MT, Tesana S, Rattanaxay P, Fujimaki Y and Kimura E. Sensitive and specific ELISA for the diagnosis of Wuchereriabancrofti infection using urine samples. The 35th Joint Conference on Parasitic Diseases. The Japan United States Cooperative Medical Science Programme, Inuyama, Japan 2000.
- Gunawardena N.K., Fujimaki Y and Aoki Y.Study on Host Recognizing Mechanisms of Filarial Infective LarvaThe 53rd South Japan Regional Meeting of The Japanese Society of Parasitology Kitakyushu Japan 2000: 4
- Weerasooriya MV, Mudalige MPS, Gunawardena NK, Ismail MM &Samarawickrema WA. Comparative long term efficacy of single dose diethylcarbamazine (DEC) and combinations of albendazole, DEC and ivermectin. Galle Medical Journal 1999; 22.
- Itoh M, Xu-GuangQiu, Weerasooriya MV, Gunawardena NK, Fujimaki Y, Kimura E. Detection of endemic areas of bancroftianfilariasis by ELISA using urine samples. Proceedings of the Japanese Society of Parasitology. (The 68th Annual meeting of Japanese Society of Parasitology. Tochigi Japan 1999.
- Kimura E, Makoto Itoh, Xu-GuangQiu, GunawardenaNK and Mirani V. Weerasooriya. Filter paper-adsorbed whole blood for Og4C3 antigen capture ELISA and its field application. IXth International Congress of Parasitology Makuhari Japan. Parasitology International1998; 47 (Suppl.), 45.
- Kimura E, Weerasooriya MV, Itoh M, Gunawardena NK, Mudalige MPS, Samarawickrema WA. Finding new endemic foci of Wuchereriabancrofti in Sri Lanka using immunological tests. IXth International Congress of Parasitology Makuhari Japan. Parasitology International 1998; 47 (Suppl.) 103.
- Kimura E, Itoh M, Fujiwara M, Kobayashi A, Gunawardena NK, Weerasooriya MV, Niwa M, Fujimaki Y. Effect of filarial infection on the cardiovascular system in rats and humans. IXth International Congress of Parasitology Makuhari Japan. Parasitology International 1998:47 (Suppl.),201.
- Itoh M, Ohta N, Kimura E, Hashiguchi, Furuya M, Gunawardena NK, Weerasooriya MV, Kanazawa T, Nakajima Y, Sho M, Minai M, Daren Z, Yan C, Yong-Kang H and Zhinan Z. Urino-diagnosis of SchistosomiasisJaponica, Bancroftianfilariasis and Leishmaniosis. IXth International Congress of Parasitology Makuhari Japan. Parasitology International 1998; 47(Suppl.),235.
- Weerasooriya MV, Itoh M, Gunawardena NK& Kimura E. Filter Paper Blood for Detection of Wuchereriabancrofti Circulating Antigen. Parasitology International 1997; 46(Suppl.) 113.
- Gunawardena NK, Weerasooriya MV, Itoh M, Mudalige MPS, and Kimura E. Antifungal IgG antibodies and circulating fungal antigens in bancroftianfilariasis. Galle Medical Journal 1998; Vol.2: 26
- Gunawardena NK, Weerasooriya MV, Ikeya T, Itoh M and Kimura E. Fungal infections in elephantiasis patients of Wuchereriabancrofti in Matara. Galle Medical Journal 1998; Vol.2: 27.
- Gunawardena NK, MV Weerasooriya, M.Itoh& E.Kimura. The detection of Wuchereriabancrofti circulating antigen using finger prick filter paper blood in Matara, Sri Lanka. Galle Medical Journal 1997; Vol.1 No.2
- Itoh M Weerasooriya MV Mudalige MP, Gunawardena NK, Samarawickrema WA, and Kimura E. A study on Wuchereriabancroftiantigenaemia in Sri Lanka. The 38th Annual meeting of Japanese Society of Tropical Medicine and Hygiene UtsunomiaJapan 1997.
- Weerasooriya MV, Itoh M, Gunawardena NK, Kimura E. Filter paper blood for the detection of Wuchereriabancrofti circulating antigen. The 66th annual general meeting of Japanese Society of Parasitology 4 Chiba Japan 1997
- Mirani V.Weerasooriya, E.Kimura, Malka PS Mudalige, NK Gunawardena&WA Samarawickrema. Comparison of methods for the detection of microfilariae of Wuchereriabancrofti in Matara, Sri Lanka; a preliminary study. Transactions of the Royal Society of Tropical Medicine and Hygiene1997; 91, 245-2
- NK Gunawardena, CE De Silva RANK Wijesinghe and HHR Samarasinghe. A study of serum lipid profile pattern in chronic alcoholics and its relationship to severity of liver disease. 110th Annual scientific sessions of the Sri Lanka Medical Association, Colombo 1997.
- RANK Wijesinghe, CE De Silva, NK Gunawardena and HHR Samarasinghe. A study of the association between the prevalence of autonomic neuropathy among chronic alcoholics and the type of beverage Proceedings Third International Medical Congress Kandy Sri Lank 1996; 25.
- RANK Wijesinghe, CE De Silva, NK Gunawardena and HHR Samarasinghe. A study of serum lipid profile pattern in chronic alcoholics and its relationship to the severity of liver disease Proceedings Third International Medical Congress Kandy Sri Lank 1996; 70.
- H.H.R. Samarasinghe, C.E. de Silva, R.A.N.K. Wijesinghe and N.K. Gunawardena. Autonomic neuropathy in chronic liver disease of alcoholic aetiology. Proceedings Third International Medical Congress Kandy Sri Lanka 1996; 23.
- H.H.R. Samarasinghe, C.E. de Silva, R.A.N.K. Wijesinghe and N.K. Gunawardena. Study of anaemia in the chronic alcoholic population at Sri Jayawardenapura General Hospital Proceedings Third International Kandy Sri Lanka 1996
- M.V. Weerasooriya, E.Kimura, Malka P.S. Mudalige, N.K.Gunawardena, W.A.Samarawickrema. Comparison of methods for a detection of microfilariae (mff) ofWuchereriabancrofti in Matara, Sri Lanka. A preliminary study. Proceedings Third International Medical Congress Kandy Sri Lanka 1996
Medical Faculty Responsibilities
- Chief Examiner Unit 3 A main Exam