Yongling District Health Bureau (CDC or epidemic prevention station). The health certificate needs to be handled in the local health bureau (CDC or epidemic prevention station), so the health certificate in Lingling District of Yongzhou needs to be handled in Yongling District Health Bureau (CDC or epidemic prevention station). Yongzhou is located in the south of Hunan Province, where Xiao and Xiang meet, hence the name "Xiaoxiang".