Question

Cholera is a disease caused by bacteria. The symptoms are severe diarrhoea and vomiting. In August of 1854, there was a cholera epidemic in London. At the time it was assumed that

cholera was airborne and caused by 'bad air'. John Snow, a British doctor didn't believe this theory.

Snow studied the pattern of deaths from the disease. He plotted a map of the affected area, marking the location of every person that died from cholera.

N

John Snow's map of London 1854 showing water pumps and places where people died of

cholera.

KEY

Water Pump

Deceased person

QUESTION

What further research could John Snow have done to help find out how cholera spread? Click "Yes" or "No" for the statements about further research.

Would this research have helped John Snow find out how

cholera spread?

Ask relatives of those that died which pump they collected their water from.

Find out who the cholera victims came into contact with just before they became ill.

Find out the direction the wind was blowing before the cholera outbreak.

Yes or No?

Yes/No

Yes/No

Yes/No​

Answer 1

Answer:

Statement 1- Yes

Statement 2- Yes

Statement 3- Yes

Statement 4- yes

Hope this helps you

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