Argentina identifies multiple previous cases of unexplained pneumonia-related Legionella infection
It is known that,Legionella is a facultative intracellular pathogen.Commonly found in natural fresh water and artificial waters (tap water,hot watershower, centralair conditionerCondensation water, cooling tower water, etc.) environment, or intracellular parasitism in protozoa (such as amoeba).
There are currently 50 confirmed legion genera. Among them, the most closely related to human disease is Legionella pneumophila, and 16 serotypes have been found.
Recently, there have been many cases of pneumonia of unknown cause in the Tucuman province in northern Argentina. The first cases were in the Luz Hospital in the province, most of which were medical staff in the hospital.
According to the Argentine Ministry of Health,The first batch of patients developed symptoms such as vomiting, high fever, muscle aches, and diarrhea from August 18 to 22. Imaging examinations showed bilateral lung infections.After testing, the possibility of new coronary pneumonia, influenza A and B, and many common pathogens was ruled out.
As of the morning of September 3, the province has reported a total of 11 cases of pneumonia of unknown cause and a total of 4 deaths.