Legionnaires' disease Legionnaires' disease Legionnaires' disease, also known as legionellosis, is a form of atypical pneumonia caused by any type of "Legionella" bacteria. Signs and symptoms include cough, shortness of breath, high fever, muscle pains, and headaches. Nausea, vomiting, and diarrhea may also occur. This often begins 2-10 days after exposure. The bacterium is found naturally in fresh water. It can contaminate hot water tanks, hot tubs, and cooling towers of large air conditioners. It is usually spread by breathing in mist that contains the bacteria. It can also occur when contaminated water is aspirated. It typically does not spread directly between
Aleutian disease severe outbreak of AD on a Connecticut ranch, with a mortality of almost 100% in less than 6 months. The disease spread from minks to ferrets, as the two were raised on the same farms. Aleutian disease has also more currently been found among free range mink throughout Europe and North America. It is speculated that the disease has been transferred from farmed mink to those in the wild. This is most commonly due to escapees within farms, who when free are hybridizing with wild mink. There are different strains of this disease which have been documented. ADV is highly