"There are ten new cases of malaria every second."
Where did I get all of these facts? Right here, at the Nothing But Nets organization's site. There is a lot more information on prevention and effects of the disease on that site. The most important fact, however, is probably this one: The mosquitoes that transmit malaria are nocturnal feeders and only bite at night.
That means that the effects of malaria can be prevented by simply owning a mosquito net! By donating $10, you provide a net for someone in Africa and prevent them from contracting the disease. Pretty awesome right? Their site also has a game you can play, and of course, because I love videos, below is a video with some more interesting information (it's very short!):