Chinese Doctor for Coronavirus in China had a press conference about the condition of lungs during Coronavirus infection.
The condition of lungs during SARS virus infection was lungs became fiberish, and it was hard to breathe.
On the contrary, the condition of Coronavirus is the lungs are filled with very sticky fluid (sputum) that is why it is hard or impossible to breathe.
All the contagious diseases such as Black Death in history have been created by Reptilian Entities. Reptilian Entities are good at creating contagious diseases in order to control human population. For them, we, humans are their enemies.