Why do you think China isn't cooperating fully with the international community when it comes to investigation the origins of COVID?

The WHO wants more access. China says no. Understanding the origins would help us understand the nature of the virus and possibly prevent future outbreaks.

https://www.npr.org/sections/coronavirus-live-updates/2021/07/22/1019244601/china-who-coronavirus-lab-leak-theory
Why do you think China isn't cooperating fully with the international community when it comes to investigation the origins of COVID?
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