1 Sentences With "virulences"

How to use virulences in a sentence? Find typical usage patterns (collocations)/phrases/context for "virulences" and check conjugation/comparative form for "virulences". Mastering all the usages of "virulences" from sentence examples published by news publications.

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The infection progresses into the blood stream and eventually crosses into the central nervous system and invades the brain leading to extreme lethargy and eventually to death. The species Trypanosoma brucei, which causes the disease, has often been subdivided into three subspecies that were identified based either on the vertebrate hosts which the strain could infect or on the virulence of the disease in humans. The trypanosomes infectious to animals and not to humans were named Trypanosoma brucei brucei. Strains that infected humans were divided into two subspecies based on their different virulences: Trypanosoma brucei gambiense was thought to have a slower onset and Trypanosoma brucei rhodesiense refers to strains with a more rapid, virulent onset.