Leptospirosis is related to the other spirochetes such as T. pallidum and B. burgdorferi. As such, they are thin-coiled bacterium that are difficult to detect via traditional staining methods, and like B. burdorferi, it is a zoonotic disease. It is prevalent anywhere there is water, and has a worldwide distribution. Despite this, the prevalence varies
Fever, thrombocytopenia, and transaminitis. I can be describing full blown septic shock with DIC, HIT (especially if you get a clot in this setting) and TTP (again, clots causing fever and Budd Chiari). Having said that, there is a selection of infections that tend to cause this pattern of fever, low platelets, and elevated LFTs.