指定一篇英文文章和一个词语，要求将文章中所有出现该词语的单词全部替换为指定的单词。
英文文章: Since the beginning of January, the world has been closely following the outbreak of a new coronavirus from Wuhan, China.
指定单词: virus
Since the beginning of January, the world has been closely following the outbreak of a new virus from Wuhan, China.