Southeast Asian states have enhanced border surveillance to check the spread of avian flu; talks continue on completion of demarcation with Thailand but disputes remain over islands in the Mekong River; concern among Mekong Commission members that China's construction of dams on the Mekong River will affect water levels

estimated opium poppy cultivation in 2005 was 5,600 hectares, about a 45% decrease from 2004; estimated potential opium production in 2005 was 28 metric tons, a significant decrease from 200 metric tons in 2003; unsubstantiated reports of domestic methamphetamine production; growing domestic methamphetamine problem