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Scientists have discovered the parasite that caused cancer

uchenye otkryli parazita, vyzvavshego rakIn 2013, in a hospital of Colombia, a man came with complaints of feeling unwell. He was identified as HIV-positive parasites (dwarf tapeworm) in the intestine, an aggressive form of cancer in the lungs and lymphatic system.

In may of the same year he died, and samples of his tissues were sent to study genetics.

Scientists were surprised by the too small size of tumor cells. Further studies showed that tumors consist of human cells, as they are not human proteins. It turned out to be cells of the parasite that settled in the intestines of dead men.

Why cells of the parasite was inside the tissue? Scientists attribute this to a strong weakening of the immune system men, HIV, and mutations in the genome of the worm that led to uncontrolled proliferation of cells the parasitic "cancer."