>trypanosoma parasites
There are a few trypanosomas. One causes American trypanosomiasis: Chagas disease, also known as American trypanosomiasis, is a potentially life-threatening illness caused by the protozoan parasite Trypanosoma cruzi. About 6 million to 7 million people worldwide are estimated to be infected with T. cruzi, the parasite that causes Chagas disease.
https://www.who.int/news-room/fact-sheets/detail/chagas-disease-(american-trypanosomiasis)
Another causes sleeping sickness: CDC - African Trypanosomiasis African Trypanosomiasis, also known as "sleeping sickness", is caused by microscopic parasites of the species Trypanosoma brucei. It is transmitted by the tsetse fly (Glossina species), which is found only in sub-Saharan Africa.
https://www.cdc.gov/parasites/sleepingsickness/index.html
The parasites enter the lymphatic system and pass into the bloodstream. Inside the host, they transform into bloodstream trypomastigotes, are carried to other sites throughout the body, reach other body fluids (e.g., lymph, spinal fluid), and continue the replication by binary fission.
And according to this post, in the pfizer shot is found The 50-micron long body (see image below) is a mysterious presence in a vaccine. It could be a trypanosoma parasites several variants of which are lethal’ (the bold italic text is missing form original {PDF)