Question

Why did the 1918 influenza outbreak cause so many deaths?

Mainly elderly people were affected.
Hygiene and sanitation were very poor at this time.
The influenza virus was a strain of an older virus to which people had no immunity.
The World Health Organization had not yet been created.

Answer 1

B. Hygiene and sanitation were very poor at the time of the outbreak. This is because germs were not considered harmful so sanitation and hygiene were unimportant.