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Scientists have discovered how mosquitoes develop viral immunity

Scientists have discovered how mosquitoes develop viral immunity, a breakthrough that could lead to better vaccines against mosquito-born viruses such as dengue and West Nile. The new study found that a protein called Vago is released by infected mosquito cells to warn other cells to defend against invading viruses. This is the first time such a mechanism has been found in mosquitoes or any invertebrates.