Ralimar, a 30 year old male, sewage worker is brought to hospital with hempotysis and altered mental status. His relatives gives a history that he was suffering from fever, headache and severe myalgia for 5 days. On examination he was found to be severely jaundiced, had petechiae on oral and conjunctival mucosa. Lab investigations showed features of liver and renal failure. What is the most likely causative organism of this condition?