Aragón registered 67 cases and 6 deaths from legionellosis in 2021

Aragon recorded last year 67 cases of legionellosiswith an incidence of 5 cases per 100,000 inhabitants, and 6 deaths, all with risk factors.

Legionellosis is a Compulsory Declaration Disease (EDO), of urgent notification and potentially preventable, with major public health challenges in the rapid identification of environmental sources, they explain from Public Health in the Weekly Epidemiological Bulletin of Aragon.

This disease usually presents in the form of sporadic cases, but sometimes grouped cases or clusters and outbreaks are detected, whose main characteristic is the high lethality in elderly people or people with underlying pathology and in the possibilities of prevention through the control of installations that use water.

In Aragón, in the period 2001-2021, incidence peaks were observed in 2004 and 2005 linked to Community outbreaks in the city of Zaragoza.

In 2021 the age group most affected was 60 to 64 years and the sex ratio was 3.3%. The clinical form of presentation was pneumonia.

Three cases were reported from two penitentiary institutions Zaragoza, of which three cases belonged to a group of cases since May 2020.

In 2021 two outbreaks were recorded: one community with two cases in a town in Huesca, confirmed by epidemiological evidence, and another nosocomial legionellosis with two cases in the province of Zaragoza.


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