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:
The ghost cities were there before covid or the vax. But I too think that number is suspicious.