This is important evidence that must be considered. It explains why China and surrounding regions had high prior immunity to covid. Click on the image above for a larger version that is easier to read. Click on direct link to go to the original Tweets.
UPDATE: Another interpretation of this data is not so much that Wuhan was the last Chinese city to suffer an outbreak but that Wuhan was the Chinese city chosen to stage a psyop (dead people in the streets, dramatic lockdowns, etc.) that fooled the world and led to dangerous imitations of policies that were not necessary and even counterproductive, thus greatly amplifying the bad effects of covid. ABN