COVID-19 origin tracing: A lie told a thousand times will not become truth

Some U.S. politicians refuse to accept the WHO's COVID-19 origin report and are trying to incite people to believe the lab-leak theory. But a lie told a thousand times will not become the truth. We hope there will be a more scientific approach, rather than politicizing COVID-19's origin tracing. (Caricature by Ni Wenbing)