Which living creatures spread dengue virus?
Correct answer: Mosquitoes

Mars V
What is ONE positive contribution that mosquitoes make to life on earth?!

Aradlaw
Mars V, They provide employment to producers of bug spray, netting, etc...

Aradlaw
I read an article on this topic yesterday, slowly spreading north towards Canada.

Alleykat
Mars V, food for other creatures

BonBon
Birds and fish eat mosquitoes, so they contribute to the food chain that we all rely on.

Pip
I hate mosquitoes

little b
I've not heard of ygggfh

Tony
Mars V, Absolutely none!

CoolBenny
spelled mosquito wrong