China had virus-infected bat samples shipped to Wuhan from South Asia as a potentially game-changing piece of evidence that could help solve the Covid mystery. CHINA had virus-infected bat samples shipped from South Asia to Wuhan as new evidence that could help solve the mystery of Covid’s origins. Researchers discovered a virus in Laos that was strikingly similar to Covid in September, but it was unclear how a bat-borne virus from the South Asian country could have caused an outbreak in Wuhan. The viral strain, known as Banal-52, shares 96.8% of its genome with Covid, making it the most similar...