They appear be arguing about it internally.
They can argue all they want internally, but we may never find out where COVID-19 came from due to decisions that Chinese officials made during the early stages of the Wuhan outbreak. The government has been reluctant to share informtion and cooperate with international investigations.
“It is quite clear that China will not allow an objective and independent scientific investigation led by WHO. In addition, much of the evidence from the lab as well as the Wuhan market has now vanished. All in all, there is little chance that the world will ever know for sure. And that is a global tragedy.”
-Lawrence Gosdin, Director, O’Neill Institute for National and Global Health Law at Georgetown University.