The WHO team will be heavily reliant on their Chinese hosts for access: to key places in Wuhan and beyond, and crucially to research material, human and animal samples and data gathered by China’s authorities over the past year. The man leading the WHO team said he is open minded. No theories – and there is a range of theories – are off the table. All sides have talked about the importance of the science. But the investigators arrived here as a propaganda effort, lead by China’s state media, is in full swing, to question whether the pandemic originated here in the first place.