The citations on wikipedia don't seem to be about tweets. Although you may be correct about the tit-for-tat nature; two wrongs do not make a right. China's government intentional stoked conspiracy stories and this nearly-whataboutism doesn't actually help anybody figure out what's going on.
ex. https://web.archive.org/web/20210220164052/https://qz.com/
> Hua Chunying, a spokesperson for China’s foreign ministry, said on Monday (Jan. 18) at a press conference that the US should open Fort Detrick, a military medical research base in Maryland, for further investigation as a possible origin of Covid-19
> ...
> Hua made the remark in response to a question on China’s reaction to a statement last week from the outgoing US state secretary Mike Pompeo, who said the US government has “reasons to believe” some staffers at China’s state-owned Wuhan Institute of Virology developed symptoms that were consistent with “both Covid-19 and common seasonal illnesses” in autumn 2019
Pompeo's comments: https://2017-2021.state.gov/ensuring-a-transparent-thorough-...
