"We isolated the virus strain on our own, the whole procedure is being conducted by us, the vaccine is being researched by Chen Wei's team," says virologist Dr Shi Zhengli, who was called China's "Batwoman." "I don't know any evidence for the U.S. to claim we steal their research." The activity inside the Wuhan lab from the early days until now has piqued the world's interest. Can she set the record straight?