👉 Spirochaetosis, also known as spirochete or spirochorea, is a type of parasitic organism that lives on and infects other organisms. It's an example of a protozoan, which are a group of single-celled eukaryotes (organisms with a nucleus) that have a single cell and reproduce sexually. These parasites can cause various diseases in their hosts. The term spirochaetosis is derived from the Greek words "spiro"