The fly suck blood.

The fly suck blood.

Is a big fly from Africa do suck blood from animals and humans. They cause this disease "Sleeping sickness" in humans and "Nagana" on livestock. Sleeping sickness is caused parasite called Trypanosoma you do is fly out of this. Symptoms of this disease are fever and headache creeper to neck. At the more people will experience sleep many days and insomnia can you end with death.