Ongoing Research

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“Determination of biomarkers of disease severity in Covid-19 patients and rates of dengue false-positive diagnosis” at the Teaching Hospital-Karapitiya.This study mainly aims to identify biomarkers of severe COVID-19 and to determine the prevalence of dengue false-positive IgM in COVID-19 patients. The principal investigators of the study are Prof. Gaya Wijayaratne (professor in Microbiology, Faculty of Medicine, University of Ruhuna), Dr. Gayani Tillekeratne (Associated professor in Medicine, Duke University, USA), Prof. Ashley Lauren St. John (Duke-NUS Medical School, Singapore) Co-investigators of the study: Prof. Ajith Nagahawatte, Prof. Champika Bodinayake (Faculty of Medicine, University of Ruhuna)

“One health” approach the epidemiology of methicillin-resistant staphylococcus aureus isolated from humans, animals and animal products in southern Sri Lanka”: funding through the National Research Council Sri Lanka (Total:  0 Million Rupees). This PhD research project is designed to describe the prevalence, transmission and zoonotic threat of MRSA isolates from humans, animals and animal products in Southern, Sri Lanka. Sample and data collection commenced in August 2019. ( PI- Prof. Ajith Nagahawatte; Co-Investigators – Dr. W. M. D. Gaya Bandara Wijayaratne, Prof. Champica K. Bodinayake, Dr. Gayani Tillekeratne, Prof. Christopher W. Woods, Prof. Truls Ostbye, Dr. Dharshan de Silva)

“Respiratory Infection Severity and Etiology in Sri Lanka: The Epidemiology, Diagnosis, and Severity of Lower Respiratory Tract Infections(RISE)”. This research has been funded by the National Institutes of Health (NIH), USA and aims to describe the etiology and severity of Lower Respiratory Tract Infections (LRTIs) among children and adults admitted with acute respiratory symptoms to Teaching Hospital Karapitiya. Data and Sample collection were commenced on April 2018. Sample testing, data analysis and publications are still in progress. (PIs – Dr. Gayani Tillekeratne. Co – investigators: prof. Ajith Nagahawatte, Prof. Champica K. Bodinayake, Prof. Vasantha Devasiri, Dr. Gaya Wijayaratne, Chris Woods, Prof. Truls Ostbye, Dr. Bradly Nicholson, Dr. Sky Vanderburg , Dr. Iroshani Kodikara, Dr. Bhagya Piyasiri, Dr. Muhunthan Selluthurai, Dr. Lakmal Fonseka, Ms. Ruvini Kurukulasooriya, and Dr. Larry Park and Dr.D.T.K. Gamage

Clinical Predictors and Surveillance of Severe Dengue in Southern Province, Sri Lanka” – funding through the National Science Foundation, Colombo (Total: 8.4 Million Rupees). This study is designed to develop a comprehensive dengue surveillance system that detects dengue hemorrhagic fever/ dengue shock syndrome (DHF/DSS) in the Southern Province of Sri Lanka. Data collection started in March 2017. Sample testing, data analysis and publications are still in progress. (PIs – Prof. Ajith Nagahawatte, Prof. Champica Bodinayake, Co-Investigators: W. M. D.Gaya Bandara Wijayaratne, Dr. Nayani Weerasinghe, Prof. Vasantha Devasiri, Dr. Harshani Ubesekara, Prof. Christopher W. Woods, Dr. Gayani Tillekeratne, Prof. Truls Ostbye, Dr. Bradly Nicholson, Ms.Ruvini Kurukulasooriya, Dr. Dharshan de Silva, Dr.N.J. Dahanayake, Dr.C.L. Fonseka).