This was a continuation/expansion of the previous Duke-NUS funded SEARCh study towards the Febrile respiratory illness; identify and categorize febrile illness pathogens and enable discovery of new pathogens. Data and sample collection commenced on 09 March 2013 and ended on 31 January 2015 (99 weeks) with a total enrollment number of 584 patients. Sample testing, data analysis and publications are still in progress. (PIs – Dr. C K Bodinayke, Dr. Ajith Nagahawatte Prof. Chris Wood and Dr. Megan Reller).