Yeah I heard that too. It's at most an HA protein inhibitor, while the SARS-CoV-2 likely to bind with ACE2 receptor. Also it requires high concentration of the

Yeah I heard that too. It's at most an HA protein inhibitor, while the SARS-CoV-2 likely to bind with ACE2 receptor. Also it requires high concentration of the drug. It's been discussed in China back in Feb. https://www.zhihu.com/question/369651688/answer/998764757 https://www.zhihu.com/question/369651688/answer/998764757 https://zhuanlan.zhihu.com/p/104331976 https://zhuanlan.zhihu.com/p/104331976 https://zhuanlan.zhihu.com/p/105098611 https://zhuanlan.zhihu.com/p/105098611 https://zhuanlan.zhihu.com/p/105309573 https://zhuanlan.zhihu.com/p/105309573 TL;DR it's controversial.