[Ferro-Alloys.com]Wall Street journal recently reported that an abandoned copper mine in the mountains of the district of Tongguan in China’s southwestern province of Yunnan and the bats that inhabit it are now a focal point for escalating calls for a more thorough probe into whether the covid-19 pandemic could have stemmed from a Chinese lab. In 2012, six miners mysteriously fell sick with pneumonia-like symptoms after entering the mine to clear bat guano, three of them died. Chinese scientists from Wuhan Institute of Virology were called in to investigate and, after taking samples from bats in the mine, identified several new coronaviruses.

• [Editor:李慧]