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Alla [95]
3 years ago
11

The first large-scale use of DDT occurred in Italy in 1943 when the insecticide was used for dusting refugees in a successful at

tempt to prevent an outbreak of a deadly disease spread by body lice which frequently occurs under wartime conditions of overcrowding and poor sanitation. What disease did DDT prevent in this situation?
A) Malaria
B) Yellow fever
C) Typhoid fever
D) Typhus fever
Health
1 answer:
Ksju [112]3 years ago
5 0

Answer:

D) Typhus fever

Explanation:

Typhus fever is a group of infectious disease which includes different types of typhus like scrub typhus and murine typhus. The typhus disease is spread by the lice and fleas which carries the typhus causing bacteria.

The typhus disease killed almost 3  million people before and during World War I, so the research on the typhus showed that disease is caused by the lice and other fleas.  Although vaccine was prepared during World War II, to control the disease DDT was sprayed to kill the lice as an insecticide.

Thus, Option-D is the correct answer.

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