Official Chinese state-approved footage from years ago showing bats being kept at the Wuhan Institute of Virology has further fueled scrutiny of the research being conducted at the secretive facility. A 2017 promotional video featured on the website of the Chinese Academy of Sciences (CAS), a top Chinese state-run research institute that administers the Wuhan lab, showed live bats held in cages inside the lab. In it, a researcher who wears blue surgical gloves was holding a bat and feeding it with a worm. The video, made after the research institute obtained the nation’s first P4 designation—the highest bio-security classification—in spring 2017, also showed bats in a cage inside the lab. It said that the Wuhan lab researchers had collected more than 15,000 bat samples from various parts of China and Africa. While some overseas Chinese-language media had cited the video last year in reports that raised concerns about the lab, …