The United States should stop slandering China with the Covid-19 origin tracing issue and be transparent to accept investigations, said Foreign Ministry spokesperson Wang Wenbin on Monday.

The statement came after US Secretary of State Antony Blinken said during a recent interview that China hasn’t provided transparency and the US would hold China "accountable".

Wang reaffirmed that China has been cooperating with international experts on origin-tracing study in a science-based way, and the report on the study is authoritative.

"Tracing the origin of the virus is a scientific matter that should be...