以往并不清楚布埃亚卫生区属于黄热病流行地带。
The health district of Buea was not previously known to be a yellow fever endemic area .
病人曾找布埃亚卫生区的一位私人医生看病，医生做出了黄热病临床诊断。
The patient consulted a private practitioner in Buea Health District and a clinical diagnosis of yellow fever was made .
布埃亚