Original sentence: In May of 2021, Wade published an article which advanced the claim that COVID-19 originated from a leak at the Wuhan Institute of Virology.This claim is not supported by any evidence, and the scientific consensus is that the virus most likely has a zoonotic origin, like MERS and SARS before it, although disproving (or conclusively proving) any theory will likely require years of research
Edited sentence: In May of 2021, Wade published an article which advanced the claim that COVID-19 originated from a leak at the Wuhan Institute of Virology, and accused the US scientific community and media of being complicit in a cover-up