Has feared mutation of avian flu arrived?
Doctors in Thailand, Indonesia see1st signs of human-to-human spread
Posted: December 2, 200510:10 p.m. Eastern

Officials in at least two nations now suspect the avian flu bug has mutated into a virus that is being transmitted from human to human – a development world health authorities have estimated could result in the deaths of tens of millions.

Thai health officials have expressed concern that the country's two latest confirmed victims may be the beginning of the much feared human-to-human transmission.

Dr. Charoen Chuchottaworn, an avian-flu expert at the Public Health Ministry, said doctors reviewing the cases were alerted by the very mild symptoms present in both patients, neither of whom had had any recent contact with birds or poultry. The rest