Chest CT:
Almost all (62, 96.9%) had varying degrees of lung symptoms detected by chest computer tomographic, but there were still two cases normal. The most symptoms changed shown by CT were Pneumonia (62, 96.9%), Both lungs involvement (61, 95.3%), Ground-glass opacity (48, 75%), and Consolidation (42, 65.6%). In most lights, there were cloud turbulence and ground-glass high density scattered in the periphery of both lungs, local patchy consolidation and Broncho pneumatic signs were seen. The severe and critical cases had more diffuse density, solid or stripy lesion with local fibrosis formation in the lower leaves of lungs (Figure 4) . Up to 45 cases had patchy high density in more than 3 leaves.