我要写书评 Lecture Notes on General Veterinary Microbiology的书评 ··· ( 全部0 条 ) 论坛 ··· 在这本书的论坛里发言 + 加入购书单 谁读这本书? ··· 二手市场 ··· 在豆瓣转让 手里有一本闲着? 订阅关于Lecture Notes on General Veterinary Microbiology的评论: feed: rss...
Seroconversion to viral spike and nucleocapsid antigens usually happens within 1–3 weeks after SARS-CoV-2 infection6,7,8, with peak antibody levels achieved in 4–5 weeks9,10. However, 5–22% of individuals remain seronegative following infection11,12,13. The absence of seroconversion is mor...