Wu Yiling is one of China’s highest ranked scientists. With a fortune that neared $US6 billion ($8.3 billion), he was also part of the world’s 500 richest people.

That was until this month, when the son of another Chinese billionaire sparked debate online with a post doubting the efficacy of Mr Wu’s drug used to treat COVID-19.

COVID: Top Chinese scientist Wu Yiling loses $US2 billion after the son of property billionaire Wang Jianlin doubts Shijiazhuang Yiling Pharmaceutical Co’s coronavirus treatment on social media site Weibo comes via ChinaTechNews.com.