So far 500+ people have been attacked by the bats, and four have been killed. Four children in the Awajun indigenous tribe died after being bitten by the bloodsucking mammals. The creatures’ habitat has recently been reduced by deforestation. Some experts have linked mass vampire bat attacks on people in the Amazon to deforestation. The rabies outbreak is focused on the community of Urakusa in the north-eastern Peruvian Amazon, close to the border with Ecuador. The bats feed on the blood of sleeping horses and cows, but attacks on humans are not an entirely uncommon occurrence.”]
Source: https://gizmodo.com/swarming-vampire-bats-attack-500-people-in-peru-killin-5612885