Question

What is the cause of her illness

Answer 1

 · The cause of Johnsy's illness is caused by the epidemic of pneumonia in Greenwich Village in New York. Pneumonia is a lung diseased..

I guess this question was of chapter The Last leaf
. Hope it helps you buddy...
Cheers

Answer 2

HEY...

THERE CAN BE MANY CAUSES...

LIKE

MICROORGANISMS.....BACTERIA , VIRUS.

MANY CONTRIBUTORY CAUSES..
LIKE..

LACK OF CLEAN WATER.

POVERTY

GENETICALLY WEAKNESS.