"TIL that the song "Scary Monsters and Nice Sprites" by the artist Skrillex was observed as a mosquito repellent due to its low-frequency vibrations. The scientists also found that mosquitoes exposed to the song had sex "far less often" than other mosquitos without music."
Was it about fat people again ?
Soooo, your argument is that because a completely different disease spread in a completely different way didn't need a vaccine, we don't need vaccines now? Wow...
Just another fact to feed to the social media paranoia engine
This is probably not the best site for enhancing your education.
Bats eat loads of different insects. But they wouldn't need to eat them all. Not all mosquitos carry malaria. The tower was probably built near the place meaning a big concentration of bats would all be hunting there eating most of them causing people at one point not being infected anymore. Unfortunately malaria hasn't been eradicated from the world.
Every army do this. But the british army unfortunatly fot them discoverd the rdason why first