as a possible post-infection treatment，you will read the sentences carefully
还杠？在维基百科上复制下来的？有意思？
我只说了四个字---都是老药，，至于秀一段英文，搞清研发、研制，制造三个汉字词汇吧。
我说研发瑞德西韦 有错？ 我没说研制或者制造吧？？非要杠？？氯喹真有用 大神组不会重症就一个死一个
是研究药的新功能，又不是开发新药。
It is being studied during 2020 as a possible post-infection treatment for COVID-19 illness. Quoted from Brunk D (7 February 2020)
都是老药