Update on The Murcia, Spain Outbreak

The source of the biggest Legionnaires' outbreak to date is still unknown. Legionella strains found in cooling tower samples did not match the ones found in patients. According to Francisco Marques, head of the local health unit, 800 cases of pneumonia have been reported, of which 420 have been confirmed as Legionnaires' disease. 4 people have died. A report based on data from the Centro Nacional de Epidemiologia Instituto Carlos III, Madrid, estimates that the final number of confirmed cases could reach 650.