In the good news category:
After years of research and trials, the WHO this year recommended the first new tool to fight #malaria in decades: spatial repellents. They last up to a year and they could help fight malaria as well as dengue and other diseases - and protect refugees.

https://www.science.org/content/article/new-vapor-tool-fights-mosquitoes-slowly-releasing-insecticide-homes-will-it-catch