China has been promoting bear bile as a coronavirus treatment, upsetting wildlife activists. In a list published earlier this month, China’s National Health Commission recommended a number of treatments for the symptoms of the virus, including both traditional Chinese and Western remedies. The treatment is an injection called Tan Re Qing (TRQ), which is a traditional Chinese medicine formula. In addition to bear bile powder, the injection uses goat horn and dried fruit. The injection can help to alleviate respiratory distress, particularly in cases of pneumonia and bronchitis. One of the major symptoms of the coronavirus is a dry cough...