Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Histopathology. (a) Cytology from bronchoalveolar lavage fluid of case 1. The hollow arrows point to few non-vacuolated foamy macrophages, without droplet deposition. The black arrow points to one bronchial cell. (b) Pathology from lung biopsy of case 1. Minimal tissue. There is no alveolar damage observed
