I do not follow it closely, but there&#x27;s a pretty good chance that the ban on agricultural use of DDT extended its usefulness in combating malaria:<p><a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;DDT#Mosquito_resistance" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;DDT#Mosquito_resistance</a><p>The targeted use in residences never stopped.