In recent weeks, a handful of U.S. media outlets and politicians have been hyping up the "lab-leak" theory that has already been repeatedly repudiated by top virologists worldwide.
In a recent interview with Xinhua, Muhammad Abdullah Gul, director general of the Measac Research Center, an independent think tank in Pakistan, said the U.S. is politicizing the origin tracing of the coronavirus.
Produced by Xinhua Global Service
