The epidemic outbreak of Legionella infection at two industrial enterprises during the period of July-August 1988 is described. The results of the epidemiological study, the clinical course and the serological diagnosis of the outbreak are presented. For the first time in the USSR a new form of the disease has been described at the territory of Georgia. This form, named Legionella fever, is manifested mainly by skin eruptions.
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Evolving technology and the development of new devices that can aerosolize water present a risk for new sources of Legionella bacteria growth and spread within industrial settings. We investigated a cluster of legionellosis among employees of a manufacturing facility in South Carolina, USA, and found 2 unique equipment sources of Legionella bacteria. The cluster of cases took place during August-November 2022; a total of 34 cases of legionellosis, including 15 hospitalizations and 2 deaths, were reported.
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October 2024
Legionella Reference Laboratory, National Centre for Microbiology, Instituto de Salud Carlos III, 28220 Majadahonda, Spain.
Two sporadic cases of legionellosis occurring in consecutive years were confirmed by positive antigenuria to serogroup 1 in individuals with limited mobility who were confined to their homes. Both cases had a history of using ultrasonic humidifiers and of low exposure to other possible sources of infection. This study was conducted through an expanded epidemiological survey and home inspection.
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November 2024
Division of Bacterial Disease, Centers for Disease Control and Prevention, Atlanta, Georgia, USA.
serogroup 1 sequence types (ST) 213 and 222, a single-locus variant of ST213, were first detected in the early 1990s in the Midwest United States (U.S.) and the late 1990s in the Northeast U.
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October 2024
Department of Medical Microbiology and Infectious Diseases, University of Manitoba, 745 Bannatyne Ave., Winnipeg, MB R3E 0J9, Canada.
is an underdiagnosed and underreported etiology of pneumonia. serogroup 1 (LpSG1) is thought to be the most common pathogenic subgroup. This assumption is based on the frequent use of a urinary antigen test (UAT), only capable of diagnosing LpSG1.
View Article and Find Full Text PDFLegionnaires disease is a serious pneumonia caused by Legionella bacteria. During November 2022-June 2024, CDC was notified of 12 cases of Legionnaires disease among travelers on two cruise ships; eight on cruise ship A and four on cruise ship B. CDC, in collaboration with the cruise lines, initiated investigations to ascertain the potential sources of on-board exposure after notification of the second potentially associated case for each ship.
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