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 to Teaching Hospital Karapitiya with acute respiratory symptoms. Data and Sample collection commenced in April 2018. Data collection was concluded. 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.