Whitney went on a mission trip to africa with her church group. they visited for two weeks and worked with doctors in the area to provide information about tropical diseases and the availability of treatment and vaccines. about a month after returning home, she started having headaches, fever, and severe joint pain. she went to the doctor and was diagnosed with african sleeping sickness. what is the causative agent of this disease?
a) leishmania braziliensis
b) trypanosoma brucei
c) giardia intestinalis
d) trichomonas vaginalis

The correct answer will be option-B

Explanation:

African sleeping sickness or African trypanosomiasis is the disease caused by the parasitic species of Trypanosoma genus called Trypanosoma brucei.

The disease spreads between mammals through tsetse fly by biting the mammals.

The parasite lives inside the fly and completes its life cycle when it enters the mammals or any other host. The parasite undergoes many morphological changes during their life cycle.

Thus, option- B is the correct answer.

African trypanosomiasis, or sleeping sickness.

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