> If China is so positive that they are not the origin they would have opened up for an investigation in 2020. I doubt it. I think it's just a standard Chinese

> If China is so positive that they are not the origin they would have opened up for an investigation in 2020. I doubt it. I think it's just a standard Chinese reaction to refuse international oversight and they would do this regardless of the truth. So there's not much of a conclusion to be taken from this.