On the other hand, the outbreaks in Nakhon Phanom and Vientiane were caused by a H5N1 virus strain previously not detected in Thailand and Laos.

• 另外,在那空拍侬(府)和万象爆发的疫病系由未曾在泰国和老挝发现过的H5N1型毒株所引起。