Taveesh Edussuriya, Ministry of Health- Sri Lanka, Colombo, Sri Lanka, Suniti Karunatillake, Louisiana State University, Geology and Geophysics, Baton Rouge, United States, Meththika Vithanage, University of Sri Jayewardenepura, Ecosphere Resilience Research Center, Nugegoda, Sri Lanka, Prasanna Dharmapriya, Department of Geology, University of Peradeniya, Peradeniya, Sri Lanka, Yash Srivastava, Physical Research Laboratory Ahmedabad, Planetary Science Department, Ahmedabad, India, Nanda Balasooriya, Dept. of Geology, University of Peradeniya, Peradeniya, Sri Lanka and Janaki Hewavisenthi, Faculty of Medicine, University of Kelaniya, Sri Lanka, Pathology, Ragama, Sri Lanka