It would save hundreds of thousands of lives annually. Then again you would have a massive overpopulation of another, more destructive, pest. https://www.who.int/news-room/fact-sheets/detail/malaria Huh... I suppose they are good for something. Edit: Also, WTF... >Preventive chemotherapies Preventive chemotherapy is the use of medicines, either alone or in combination, to prevent malaria infections and their consequences. It requires giving a full treatment course of an antimalarial medicine to vulnerable populations (generally infants, children under 5 years of age and pregnant women) **generally infants, children under 5 years of age and pregnant women**