Anti-China narratives regarding COVID19 range from a benign examining the timeline of the outbreak through to conspiracy theories about lab leaks and bioweaponry.

“Scientists don’t have enough evidence about the origins of SARS-CoV-2 to rule out the lab-leak hypothesis, or to prove the alternative — that the virus has a natural origin.” ( Nature, Maxmen and Mallapaty, 2021) (web).

Scientist on the ground dismisses theory: Scientists 'on the ground' dismiss the theory (Anderson, 2021)
Scientific report - The Origins of SARS-CoV-2: A Critical Review, Holmes, Goldstein, Rasmussen, Robertson, Crits-Christoph, Wertheim, Anthony, Barclay, Boni, Maciej, Doherty, Farrar, Geoghegan, Jiang, Leibowitz, Neil, Skern, Weiss, Worobey, Andersen, Garry, Rambaut, 2021)

Erin O'Toole (Twitter video). Review of this video.