The affected farm is located in Huangjingwei, Baiyun District, Guangzhou, (GUANGDONG). The infected site is relatively isolated with no cloven-hoofed animals raised in close proximity. All susceptible animals have been destroyed. Serotype O last occurred in the country in 1999.
http://www.oie.int/wahis/public.php?page=single_report&pop=1&reportid=8988