A graduate student from University of Amsterdam, Netherlands, joined in to Duke-Ruhuna Research program to engage in Scientific Internship and take part in a sub-study of the research study titled “Respiratory Infection Severity and Etiology in Sri-Lanka” from December 2018 to February 2019 to collect data, data analysis and preparation reports as needed under the supervision of Guus ten Asbroek(Amsterdam University),Dr.Gayani Tillekeratne and Prof. Vijitha De Silva.