Affiliations: *Regional Medical Science Center , Ministry of Public Health, Trang Province
**Department of medical science Tiwanond Road, Nonthaburi 1100, Provincial Health Office, Krabi Province
***Department of Protozoology, Faculty of Tropical Medicine, Mahodol University, Bangkok 10400
****Office of Atoms for Peace
***** Ministry of Science and Technology, Bangkok 10900
******The Academy of Science,the Royal Institute, Bangkok 10200 , Thailand
Source: Intern Med J Thai 2004; 20: 277-281
Water samples collected from nature hot spring and their annexes in nine provinces in southern Thailand during the period January – June 2004 were examined for dissolved radon gas and pathogenic organisms. High levels of dissolved radon gas, especialy in Suat Thani and Chumporn provinces, and Legionella spp. (esp. pneumophila), Naegleria spp. and Acanthameba spp. were present in hot spring water obtained form most of the provinces investigated.