Dizziness, lightheadedness, and the feeling of passing out is a common complaint in people who have low blood pressure. When the blood pressure is too low, not enough oxygen-rich blood is being delivered to the brain, and its function can be affected.
Legionnaires' disease, also known as legionellosis or Legion fever, is a form of atypical pneumonia caused by any type of Legionella bacteria. Over 90% of cases of Legionnaires' disease are caused by Legionella pneumophila. Other causative species include L. longbeachae, L. feeleii, L. micdadei, and L. anisa.
Legionella is a type of bacteria that can cause a serious form of pneumonia called Legionnaires disease. Legionella testing detects the presence of the bacteria to help diagnose the cause of a person's pneumonia. legionella infection affects the lower respiratory tract, often requires hospitalization, and has a significant mortality rate. In addition to pneumonia, Legionella bacteria can also cause Pontiac fever, a milder and self-limiting illness with flu-like symptoms.