• The kids think it's funny to sleep under a net to avoid getting malaria.
• Mama Fatuma knows where malaria comes from.
• A mosquito sucks blood from an infected person. It carries the infectious Plasmodium sporozoites and spreads malaria by biting other humans, mainly during the night.
• The boys plan to kill all mosquitoes in the village! But there are too many.
• They need to understand the life of the enemy to fight against it. They should drain away stagnant water and use mosquito-nets during the night.