Senior Lecturer in Microbiology (Grade II)

Department of Microbiology

Faculty of Medicine and Allied Sciences

Rajarata University of Sri Lanka

M.B.B.S. (Peradeniya)

M.Sc. (Peradeniya)

M. Phil (Peradeniya)

Dip. Micro (Colombo)

MD Medical Microbiology (Colombo)

FRSPH (UK)

1. Dean's award for 2019 and 2020
2. Bill and Amanda Young Investigator Award ISID 2020
3. National science foundation- Sri Lanka Presidential awards for scientific publication on 2018
4. National science foundation- Sri Lanka merit awards for scientific publication on 2014

• University Grant Commission Sri Lanka research grant for M. Phil sum of 1.7 million LKR
• International Union of Microbiology Societies (IUMS) 2017 Singapore travel grant.
• Travel grant from ECSMID- 2016 to participate ECCMID- 2016
• Research grant from the Rajarata University of Sri Lanka on 2012 and 2013
• ReSViNET travel grant. Scientific session 2019-Accra, Ghana

1. Sampath Jayaweera JAA. Risk of methicillin-resistant Staphylococcus aureus prosthetic joint infection in elective total hip and knee arthroplasty following eradication therapy. World J Orthop 2022; 13(7): 676-678
2. Jayaweera JAAS, Kothalawala M. A monomicrobial epidermidis bacteremia masked a B. pseudomallei bacteremia in a healthy female. J Contemp Clin Pract. 2022;8(1):25-29. doi: 10.18683/jccp.2022.1081
3. Premachandra NM., Jayaweera JAAS. Chlamydia pneumoniae infections and development of lung cancer: systematic review. Infect Agents Cancer 2022; 17, 11
4. Kumbukgolla WW. Attanayake AMHS, Jayaweera JAAS. Antibacterial and antioxidant activity of different extracts obtained from Withania somnifera (Ashwagandha). Inter j of Ayu medicine.2022:12;4: 873-878
5. Jayaweera JAAS, Morel AJ, Abeykoon AMSB, Pitchai FNN, Kothalawela HS, Peiris JSM, et al. Viral burden and diversity in acute respiratory tract infections in hospitalized children in wet and dry zones of Sri Lanka. PLoS ONE 2021: 16(12): e0259443.
6. Jayaweera J.A.A.S., Kothalawala M., Use of high-dose ciprofloxacin for recurrent biofilm-forming multidrug- resistant Klebsiella pneumoniae bacteremia; Case report. Germ 2021 DOI: 10.18683/germs.2021.1282
7. Natalie I M, Jayaweera J.A.A.S. [CHAMPS Network the RSV GOLD Study Group] Global Respiratory Syncytial Virus–Related Infant Community Deaths. Clinical Infectious Diseases, 2021:73, S3; 1: S229–S237.  https://doi.org/10.1093/cid/ciab528
8. M Goel, R Kalra, P Ponnan, J Jayaweera, WW Kumbukgolla. Inhibition of penicillin-binding protein 2a (PBP2a) in methicillin resistant Staphylococcus aureus (MRSA) by combination of oxacillin and a bioactive compound from Ramalinaroesleri. Microbial Pathogenesis. 150, 104676
9. Jayaweera J.A.A.S., Kothalawala M. Infected tricuspid valve myxoma with Kodamaea ohmeri: Case report. Indian Journal of Medical Microbiology. 2021 (39) 2: 252-255
10. Sunil-Chandra NP, Jayaweera JAAS, Kumbukgolla W and Jayasundara MVML. Association of Hantavirus Infections and Leptospirosis With the Occurrence of Chronic Kidney Disease of Uncertain Etiology in the North Central Province of Sri Lanka: A Prospective Study With Patients and Healthy Persons. Cell. Infect. Microbiol. 2020; 10:556737. 10.3389/fcimb.2020.556737
11. Kothalawala M., Jayaweera J.A.A.S. The emergence of non-albicans candidemia and evaluation of HiChrome Candida differential agar and VITEK2 YST® platform for differentiation of Candida bloodstream isolates in Teaching Hospital, Kandy, Sri Lanka. BMC Microbiology 2019 (1), 136
12. Kumbukgolla W.W., Jayaweera J.A.AS. Detection of serum high-density lipoprotein cholesterol high levels in monks practicing Samatha and Vipassana meditation. European Journal of Integrative Medicine 2019: 28, 47-51
13. N.H. Thalahagage, J.A.A.S. Jayaweera, W.W.Kumbukgolla, W. Dissanayake, J. Kariyawasam. HbS/D- Punjab Disease: Report of 3 cases from Sri Lanka. Indian Journal of Hematology and Blood Transfusion· July 2017. DOI: 10.1007/s12288-017-0851-7.
14. Beena Negi, Deepak Kumar, Widuranga Kumbukgolla, Sampath Jayaweera, Prija Ponnan, Ramandeep Singh, Sakshi Agarwal, Diwan S. Rawat: Anti-methicillin resistant Staphylococcus aureus activity, synergism with oxacillin and molecular docking studies of metronidazole-triazole hybrids. European Journal of Medicinal Chemistry.2016; 115., DOI:10.1016/ j.ejmech.2016.03.041
15. Beena Negi, Deepak Kumar, Widuranga Kumbukgolla, J A A Sampath Jayaweera, Mai Ann Bailey, Torey Alling, Juliane Ollinger, Tanya Parishc, Diwan S. Rawat: Antibacterial activity of adamantyl substituted cyclohexane diamine derivatives against methicillin resistant Staphylococcus aureus and Mycobacterium tuberculosis. RSC Advances, 2014; 4:11962., DOI:10.1039/c4ra00224e
16. Jayaweera J.A.A.S., Kumbukgolla W.W., MRSA colonization among medical students in Rajarata University of Sri Lanka. Germs. 2020;7(3):132-139
17. Jayathilake A., Jayaweera J.A.A.S., Influence of early postoperative showering in undressed surgical wound for better clinical outcome. Journal of Perioperative Practice. 0(0) 1–7 DOI: 10.1177/1750458919868903
18. Jayaweera J.A.A.S, Abeydeera W.P.H., Ranasinghe G.R. Intravenous cloxacillin induced neutropenia with eosinophilia in an Infective Endocarditis patient. Journal of medical case reports. 2018; 12:384.
19. M.H.S. Attanayake, Jayaweera J.A.A.S. Humerus fracture: case report. AYU. 2018
20. M.H.S. Attanayake, Jayaweera J.A.A.S. Use of Ayurveda and Sri Lankan traditional medicine for healing shaft of the humerus fracture following non-union. Journal of Ayurveda and integrative medicine. 2018:1;4
21. Jayaweera J.A.A.S., Noordeen F. A case series on common cold to severe bronchiolitis and pneumonia in children following human metapneumovirus infection in Sri Lanka. BMC research notes. 2018: 217
22. Jayaweera J.A.A.S., Attanayake A.M.H.S., Healing effect of diaphyseal fracture. J of Ayu Med Sci. 2018: 3:112.
23. Jayaweera J.A.A.S., Kumbukgolla W.W. Antibiotic resistance patterns of methicillin-resistant Staphylococcus aureus (MRSA) isolated from livestock and associated farmers in Anuradhapura, Sri Lanka. GERMS 2017;7(3):132-139. doi: 10.18683/germs.2017.1118
24. Jayaweera, J.A.A.S., Karunarathne, M. and Kumbukgolla. Prevalence of MRSA bacteraemia in Teaching Hospital, Anuradhapura, Sri Lanka. Cey Med J. 2017:2;
25. Jayaweera, J.A.A.S., Karunarathne, M. and Kumbukgolla, W.W., The importance of timely introduction of vancomycin therapy against methicillin-resistant Staphylococcus aureus (MRSA) bacteremia and severity of MRSA bacteremia at Teaching Hospital, Anuradhapura, Sri Lanka. Int J One Health 2017;3:7-11. DOI: 10.14202/IJOH.2017.7-11
26. Panditharathnalage Nishantha Kumara Wijesekara, Wikum Widuranga Kumbukgolla, Jayaweera Arachchige Asela Sampath Jayaweera, S.Rawat: Review on Usage of Vancomycin in Livestock and Humans: Maintaining Its Efficacy, Prevention of Resistance and Alternative Therapy. Vet Sci. 2017; 4(1):1-11., DOI:10.3390/vetsci4010006
27. Jayaweera Arachchige Asela Sampath Jayaweera, Mahen Kothalawala, Balachandran Devakanthan, S.Arunaa, Dinithi Galgamuwa, Manori Rathnayake. Spondylodiscitis caused by Enterobacter agglomerans. Case reports in infectious diseases.2016(1)., DOI:10.1155/2016/8491571
28. F Noordeen, JAAS Jayaweera, MLM Rayes: Human metapneumovirus associated pneumonia and severe bronchiolitis in a 9-month-old infant admitted to a Sri Lankan hospital. Sri Lanka journal of infectious diseases,2016; 6(1):59., DOI:10.4038/sljid.v6i1.8101
29. Krishan Nilantha Hewa Thalagahage, Jayaweera Arachchige Asela Sampath Jayaweera, Wikum Widuranga Kumbukgolla, Indika Senavirathne: Detection of alkaptonuria in a 1-week-old infant. BMJ Case ReportsDOI:10.1136/bcr-2014-208505
30. A Ranga I E Siriwardhana, P A Jayasumana Perera, Ramiah Sivakanesan. Thilak, Danaseela B Nugegoda, J A A Sampath Jayaweera. Multiple Risk Factors Predisposed Towards Chronic Kidney Disease of Unknown Etiology in the North Central Province of Sri Lanka: A Case Control Study. Indian Journal of Nephrology.2015,25 (3) DOI: 10.4103/0971-4065.140712

Abstracts

1. Jayaweera J.A.A.S. burden of hospital acquired acute viral respiratory tract infections in a tertiary care hospital, Sri Lanka. RSV VW’21 2021 November
2. Jayaweera J.A.A.S., Kothalawala M. The emergence of non-albicans candidemia in teaching hospital Kandy Sri Lanka. Virtual meeting of Infectious diseases, Immunology and virology-II, 2021.
3. M Divarathna, J Jayaweera, RAM Rafeek, A Morel, F Noordeen. Two years detection of respiratory syncytial virus subtypes A and B from children admitted to a General Hospital in Sri Lanka. International Journal of Infectious Diseases S101, 220-221.
4. J Jayaweera, D Sivakumar. Asymptomatic central line-associated bloodstream infections in children leading to right-sided infective endocarditis. International Journal of Infectious Diseases S101, 282.
5. J Jayaweera, M Reyes. Antimicrobial use for pediatric acute respiratory tract infections and the subsequent emergence of multi-drug resistant bacteria. International Journal of Infectious Diseases S101, 102-103
6. A Attanayake, U De Silva, J Jayaweera, W Kumbukgolla. Assessing the Treatment Outcome of  Sri Lankan Traditional Medicine for Nonunion of Tibia Fractures (A Case Series). Current Trends in Biotechnology & Pharmacy. 2020

7. Divarathne M., Jayaweera JAAS, Noordeen F.,Distribution of respiratory syntactical virus subtypes A and B among children presenting with acute respiratory tract infection to Kegalle hospital, Sri Lanka. APCCMI 2018 HK
8. Jayaweera JAAS, Kumbukgolla WW. Clinical exposure and colonization of methicillin resistant staphylococcus aureus (MRSA) among the medical students at the faculty of medicine and allied sciences, Rajarata university of Sri Lanka. APCCMI 2018 HK
9. A.A.S. Jayaweera, H.P. Abeydeera, G.R. Ranasingha. Identification of methicillin resistance among staphylococcus aureus clinical isolates using cefoxitin disc diameter and oxacillin dilution series. Sri Lanka society of Microbiology annual conference 2017.
10. Illapperuma, J.A.A.S. Jayaweera. Antibacterial activity of Leaf extracts of Mekania cordata , used in Sri Lankan folk medicine for wound infections. Sri Lanka society of Microbiology annual conference 2017.
11. Attanayake AMHS, De Silva UG, Jayaweera JAAS, Healing effects of Sri Lankan traditional and Ayurvedic medicine in shaft of humerus fracture with non-union state case report. SALAKYA SANDIPANI- 2017, At Gampaha Wickckramarachchi Ayurveda Institute University of Kelaniya Sri Lanka.
12. Senanayake KJ, Kumbukgolla WW, Jayaweera JAAS, Kannangara Y,Somarathne K. A Novel Potent Antibacterial Agent Using Silver-Nano-particles in Bee Honey Base.2017. Anuradhapura Clinical Society Annual conference, Anuradhapura. Sri Lanka.
13. Aheydeera H., Ranasingha G., Jayaweera JAAS., Corea E. Burkholderia pseudomallei: case series from the provincial General Hospital Kurunegala. Second South-Asian Melioidosis congress 2017. Colombo. Sri Lanka.
14. J A A Sampath Jayaweera, F. Noordeen, A.J. Morel, F.N.N. Pitchai, A.M.S.B. Abeykoon, J.S.M. Peiris Human Metapneumovirus associated pneumonia prevalence and severity. IUMS Singapore.2017
15. A.A.S. Jayaweera, W.W. Kumbukgolla and N.P. Sunilchandra. Does asymptomatic bacteriuria causes CKD. IUMS Singapore.2017.
16. J A A Sampath Jayaweera and F. Noordeen. Use of antibiotics for acute respiratory tract infections in children: practice, irrational use and contribution to the emergence of antimicrobial resistance. Annual academic session. Sri Lanka Collage of Microbiologists. 2017.
17. J A A Sampath Jayaweera, F Noordeen, A J Morel, F N N Pitchai, H S Kothalawala, A MA S B Abeykoon, J S M Peiris. Viral burden and diversity in acute respiratory tract infections in hospitalized children in wet and dry zones of Sri Lanka. ASM Microbes. 2017, New Orleans; 06/2017
18. J A A Sampath Jayaweera, W W Kumbukgolla, A M H S Atthanayake. Evaluation of antibacterial effect of Cinnamomum zeylanicum (Sri Lankan cinnamon). ICAUST 2016, IIM University of Colombo Rajagiriya, Sri Lanka 12/2016
19. J A A Sampath Jayaweera, F Noordeen, A J Morel, F N N Pitchai, H S Kothalawala, A MA S B Abeykoon, J S M Peiris. Viral burden and diversity in acute respiratory tract infections in hospitalized children in wet and dry zones of Sri Lanka. ECCMID 2016, Amsterdam; 04/2016
20. J A A S Jayaweera, A Josesp, S Croos, T Suraji, W W Kumbukgolla D J Weilgama. Evaluation of turmeric as a surface disinfectant. Faculty of Medical Sciences Sri Jayawardhanapura University Sri Lanka 2016, Faculty of Medical Sciences Sri Jayawardhanapura University Sri Lanka; 04/2016
21. De Silva UMDG, J.A.A.S. Jayaweera. Assessment of fracture healing effects for malunion of diaphyseal fractures of ulnar and radius. A case report. Global Ayurveda festival 2016; 02/2016
22. J A A Sampath Jayaweera, F Noordeen, A J Morel, F N N Pitchai, H S Kothalawala, A MA S B Abeykoon, J S M Peiris: Viral burden and diversity in acute respiratory tract infections in hospitalized children in wet and dry zones of Sri Lanka. ECCMID 2016, Amsterdam; 04/2016
23. J A A Sampath Jayaweera, F Noordeen, M L M Reyes. Human metapeumovirus associated pneumonia and severe bronchiolitis in a 9 months old infant. Sri Lanka Society of Microbiology 2015; 10/2015
24. A.A.S. Jayaweera, F. Noordeen, A. Morel, N. Pitchai, S. Kothalawala, A.M.S.B. Abeykoon, J.S.M. Peiris. Viral burden in acute respiratory tract infections in hospitalized children in the wet and dry zones of Sri Lanka. International Journal of Infectious Diseases 04/2016; 45(S):463.
25. J A A Sampath Jayaweera, F.Noordeen, A.J.Morel, F.N.N.Pitchai, A.M.S.B. Abeykoon, J.S.M.Peiris: Viral burden and diversity in acute respiratory tract infections in childhood. Young Scientific Forum, Sri Lanka 2014; 01/2015
26. Beena Beena, Deepak Kumar, Widuranga Kumbukgolla, Sampath Jayaweera, MaiAnn Bailey, Torey Alling, Juliane Ollinger, Tanya Parish, Diwan S. Rawat.Antibacterial Activity of Adamantyl Substituted Cyclohexane Diamine Derivatives Against Methicillin Resistant Staphylococcus aureus and Mycobacterium tuberculosis. ChemInform 11/2014; 45(47)., DOI:10.1002/chin.201447057
27. HS Kothalawala, JAA Sampath Jayaweera, FNN Pitchai, AJ Morel, Noordeen F. Detection of human metapneumovirus in the nasoharyngeal aspirates of children clinically diagnosed with acute respiratory tract infection using RT-PCR. Sri Lanka Society of Microbiology 2014, University of Peradeniya; 10/2014
28. N.N.Pitchai, H.S.Kothalawala, J.A.A.S.Jayaweera, F.Noordeen, J.S.M.Peiris: Detection of corona virus in NPA in ARTI with nested PCR. One health conference 2014, University of Peradeniya, Sri Lanka 09/2014
29. Samita, J. Howshigan, J. S. Jayaweera, P. S. Rajapakse: Non-Conventional Statistical Methods for Analysis of Clustered Clinical Data. IADR General Session & Exhibition-, Cape Town, South Africa; 06/2014
30. N. Thalagahage, J.A.A.S.Jayaweera, E.P.Ranasingha, W.W.Kumbukgolla, N.Perera Sickle SD disease-case series. Sri Lanka Collage of Pathologists Annual Bulletins 2013
31. J A A Sampath Jayaweera, FNN Pitchai, HS Kothalawala, AJ Morel, SB Abeykoon, Noordeen F, Viral burden of ARTI in inward Pediatric Patients in THA and THG. Sri Lanka Society of Microbiology 2013, PGIS University of Peradeniya;a 10/2013
32. Balasubramani, J A A S Jayaweera, A S Siriwardna, W W Kumbukgolla, A B P Bandara: Swine Flu research: A scientometric study of global perspectives. Collage of graduate studies, University of Kelaniya Sri Lanka. 2012

Book and chapters

1. Deshiya kedum bindum wedakama (A review on traditional orthopaedic system) Susara, Colombo 2018 ISBN 978-955-33-0832-0
2. Case discussions in clinical microbiology Samudra, Colombo ISBN- 978-624-203-091-3

Abstracts – presentations

1. August 2018

J.A.A.S. Jayaweera, H.P. Abeydeera, G.R. Ranasingha. Emergence of non-mecA mediated resistance among Methicillin Resistance Staphylococcus aureus clinical isolates in Teaching Hospital Kurunegala, Sri Lanka. Sri Lanka collage of Microbiologists Annual conference 2018 Colombo Sri Lanka

2. August 2017

J A A Sampath Jayaweera and F. Noordeen. Use of antibiotics for acute respiratory tract infections in children: practice, irrational use and contribution to the emergence of antimicrobial resistance. Annual academic session. Sri Lanka Collage of Microbiologists. 2017.

3. December 2016

J A A Sampath Jayaweera, W W Kumbukgolla, A M H S Atthanayake. Evaluation of antibacterial effect of Cinnamomum zeylanicum (Sri Lankan cinnamon). ICAUST 2016, IIM University of Colombo Rajagiriya, Sri Lanka 12/2016.

4. January 2015

JAAS Jayaweera , F Noordeen, AJ Morel, FNN Pitchai, HS Kothalawela,

AMSB Abeykoon and JSM Peiris. Viral burden and diversity in acute respiratory tract infections in children in selected areas of Sri Lanka. YSF 2015.

   5. October 2014

JAAS Jayaweera , F Noordeen, AJ Morel, FNN Pitchai, HS Kothalawela,

AMSB Abeykoon and JSM Peiris. Viral burden and diversity in acute respiratory tract infections in children in selected areas of Sri Lanka. SSM. Annual Bulletins 2014.

   6. Sepetember 2013

J.A.A.S.Jayaweera,F.Noordeen,A.J.Morel,M.Reyes,A.M.S.B.Abeykoon.Viral Burden of Acute Respiratory Tract Infections in Childhood in Selected Areas In Sri Lanka.SSM. Annual Bulletins 2013.

Department of Microbiology, Faculty of Medicine and Allied Sciences, Rajarata University of Sri Lanka.

• Head of Department - (December 2019 – 2023)
• Senior Lecturer (Grade-II) in Microbiology- (December 2017 – Present)
• Lecturer (Probationary)- (May 2011 – December 2017)

• Undergraduate teaching (which include lectures, practical and tutorial /small group discussions for the 3rd year Medical Students)
• Supervision of examinations and evaluation
• Research activities in Microbiology
• Training and supervision of junior academic and non-academic staff / Students
• Conducting community service projects

• A pilot study- paediatric Respiratory Syncytial virus (RSV) mortality study.
• Novel anti-MRSA compounds

PERSONAL DEVELOPMENT

• Completed the staff development Program for Lecturers at the Medical Education Unit, Faculty of Medicine, University of Peradeniya, Sri-Lanka (August 2014 – October 2014– spanning 3 weeks)

GUEST SPEAKS

Awareness programme for Research methodology sponsored by WHO-3 ^rd step at Bandaranayake Memorial Ayurveda Research Institute. Navinna, Maharagama, Sri Lanka

Awareness programme for Research methodology sponsored by WHO-4^th step Bandaranayake Memorial Ayurveda Research Institute. Navinna, Maharagama, Sri Lanka

ACADEMIC ACTIVITIES AND POSTS HELD

(Faculty of Medicine and Allied Sciences, Rajarata University of Sri Lanka)

• Member - Curriculum Development Committee, 2012- Present
• Student counselor – 2013
• Member – Research and Higher Degrees Committee – 2017 – Present
• Member- Faculty action plan development committee
• 2013- Contribution for the preparation of Microbiology Practical Objectives

EDITORIAL BOARD MEMBER

1. Annals of clinical immunology and microbiology
2. Acta scientific Microbiology -associate editor
3. Scient Journal of Clinical Case Reports
4. CPQ Microbiology (CPQMY)

EDITOR

Academic editor of Asian Journal of Research in Dermatological Science (Chief editor)

REVIEWER IN;

1. Honorary reviewer in Global Journal of Medical Research.
2. BMC- Antimicrobial resistance and infection control
3. World Journal of Paediatrics

MEMBERSHIP OF SOCIETIES

• American society of Microbiology
• European society of Microbiology and Infectious Diseases
• European society of pediatric infectious diseases
• Sri Lanka Medical Association
• Sri Lanka collage of Microbiologist
• Member of Sri Lankan Society for Microbiology (SSM)