The junta has accepted relief flights into Yangon from many countries, including the United States, its fiercest critic, but has largely kept Western disaster experts out of the delta.However, it has allowed a senior U.S. aid official on a 3-day government tour of the area. Washington said the permission was an "opening, but it is not sufficient."
Medical teams from India, China, Thailand, Laos and Bangladesh are working in the delta along with thousands of local medics and other volunteers, state media said.
Myanmar television also broadcast footage of Ban's official tour, showing shaking hands with and talking to survivors.
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