Sleeping sickness. Computer illustration of a trypanosome (Trypanosoma brucei) moving past human red blood cells in the blood. This protozoan is the cause of sleeping sickness (African trypanosomiasis). It is a vector-borne parasite transmitted by...

Illustration of malaria infected blood cells.

Illustration of malaria infected blood cells.

Illustration of malaria infected blood cells.

Patient resting in the hospital

Illustration of malaria infected blood cells.

Illustration of a tick crawling on human skin

Illustration of a tick crawling on human skin

Chagas disease parasite, illustration

Illustration of a tick crawling on human skin

Illustration of a tick crawling on human skin

Chagas disease parasite, illustration

Blood-filled tick, artwork

Blood-filled tick, artwork

"Suramin sleeping sickness drug molecule. Atoms are represented as spheres with conventional colour coding: hydrogen (white), carbon (black), oxygen (red), nitrogen (blue), sulfur (yellow). "

"Suramin sleeping sickness drug molecule. Atoms are represented as spheres with conventional colour coding: hydrogen (white), carbon (black), oxygen (red), nitrogen (blue), sulfur (yellow). "

"Suramin sleeping sickness drug molecule. Atoms are represented as spheres with conventional colour coding: hydrogen (white), carbon (black), oxygen (red), nitrogen (blue), sulfur (yellow). "

"Nifurtimox antiparasitic drug molecule. Used in treatment of Chagas disease and sleeping sickness. Atoms are represented as spheres with conventional colour coding: hydrogen (white), carbon (black), oxygen (red), nitrogen (blue), sulfur (yellow). "

"Nifurtimox antiparasitic drug molecule. Used in treatment of Chagas disease and sleeping sickness. Atoms are represented as spheres with conventional colour coding: hydrogen (white), carbon (grey), oxygen (red), nitrogen (blue), sulfur (yellow). "

Illustration of a woman testing her blood sugar level

Malria spores in the human blood stream.

Woman in bed sleeping

Mosquitoes bit an AB-blood-type boy, high angle view

A man getting his blood pressure taken drawn in balck and white

Sleeping sickness parasites in the blood, illustration