Probably just a cold.

來源: 2013-02-07 16:35:36 [舊帖] [給我悄悄話] 本文已被閱讀:

I got that every time I go to china in winter. One time my cold turned into a flu, and my temperature jumped to > 40C. 

Take asprin or tyleno, rest, drink more water, it will go away soon.