Compared with Group L, significantly faster recovery of temperature (t = −2.471, p = 0.019), recovery of respiratory symptoms (t = −2.918, p = 0.007), chest CT inflammation absorption (t = −2.937, p = 0.006), time until two consecutive negative virus nucleic acid tests (t = −2.930, p = 0.006), and shorter hospital stay (t = −2.785, p = 0.009) were observed in Group A + L.