serum 血清

serum
繁：血清
简：血清

當年利用沙士康復者血清治療，效果顯著。

沙士倘重臨　仍無藥醫（2013年2月20日）。蘋果日報，取自 http://hk.apple.nextmedia.com/news/art/20130220/18170971

Seroconversion from negative to positive or a four-fold rise in antibody titre from acute to convalescent serum indicates recent infection.

Severe Acute Respiratory Syndrome (SARS): Laboratory diagnostic tests. (2003, April 29). World Health Organization. Retrieved from http://www.who.int/csr/sars/diagnostictests/en/