Legionella
Legionnaires disease has a deep history of being mistaken, the cause of legionnaires disease and the causative organism was unknown till late seventies. To understand the current situation related with legionella infections in build environment, we need to understand its history. Beginning in 1976 when the American legion was celebrating its bicentennial in Philadelphia, USA where 600 veterans were staying at the Bellevue Strafford Hotel. Soon after their celebrations almost 200 of them started showing pneumonia-like symptoms. The doctors were treating them aggressively for pneumonia without any positive change their conditions. The infection initially shows severe lung infection, headaches, and muscle aches. Like that of pneumonia, but then it progresses to coughing up mucus and occasionally blood, chest pains, gastrointestinal symptoms, and mental changes. It was on the 27th of July 1976 when the disease claimed its first patient and then in a weeks’ time the death rate had