### Chinese: 作者表示，2002年SARS暴发时，起初中国准备不足，尤其是病原体无法确定。
### English: Did the authors say that when the SARS outbreak occurred in 2002, China was initially ill-prepared, especially since the pathogen could not be identified?
### Errors: There is a major change to interrogative error in the English translation.

### Improved English: The authors say that when the SARS outbreak occurred in 2002, China was initially ill-prepared, especially since the pathogen could not be identified.
