1) In "H1N1 Influenza A",what is the meaning of "H'?
2) In "H1N1 Influenza A",what is the meaning of "N"?
收錄日期: 2021-04-15 21:59:41
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20090503000051KK02239