The CCP covered up the death toll of the epidemic reached 400 million.

The original Epoch Times article is in Chinese. You can translate it with a browser extension or Google tran.

https://www.epochtimes.com/gb/23/1/16/n13907901.htm

Alternatively, you can read the translation as a PDF, already done for you. Note: it's large because I included the comments, which are very interesting and most of them lend credibility to the article:

https://files.catbox.moe/miv6gb.pdf