All of the following techniques are being used to fight the spread of malaria in Africa, except __________.
A.
eliminating standing water
B.
spraying insecticide
C.
vaccinating people
D.
passing out bed nets in affected areas
The easiest and effective method of preventing the malaria cases in the Africa is only through the use of the insecticides as the DDT that has colorless and takes a heavy toll on the environment is used to protect from the bites of the insects.