Question

how did Sue and behrman help johnsy to recover from her fatel deadly disease

Answer 1

The reason for Johnsy's disease is caused by the scourge of pneumonia in Greenwich Village in New York.

Pneumonia is a lung sickness caused by contamination of the two lungs.

Subsequently it will be compelling. In the story, it wasn't just Johnny who gotten the malady yet in addition their down-stair-neighbor Mr. Behrman.