2024-08-29 15:20:00
In 2023, the number of cases Legionnaires’ disease Listed in France has reached record nameThursday, August 29, highlighted by Santé Publique, France.
Last year, 2,201 cases of Legionnaires’ disease were reported, including 1 16% increase Compared to 2022.
Legionnaires’ disease is a severe lung infectionwith a fatality rate of 9% due to Legionella.
Contamination can occur via the respiratory route through inhalation of bacteria suspended in airborne droplets. This disease is not not contagious From one person to another.
Three assumptions
The number of cases reported by the French Public Health Service in 2023 has reached a record number since surveillance began in 1987. France has observed a significant increase in the number of cases of Legionnaires’ disease since 2017, the French health agency noted. Also reported at European level.
Christine Campèse, an epidemiologist at France’s public health agency in charge of the archive, said several hypotheses could explain the increase.
Another hypothesis is “this aging population“this disease particularly affects the elderly and vulnerable groups. In recent years, the median age of infected people has increased: from 62 years in 2010 to 67 years in 2023.
this Diagnostic methods are also becoming increasingly efficient, “This may also help explain the increase in cases””, Ms. Campes pointed out.
Two major events in 2023
Since the beginning of monitoring, the identification of sources of contamination has made it possible to develop a large number of regulations to limit the risks associated with Legionella (water supply networks, cooling systems of air cooling water towers, sprayers, etc.).
However, by 2023, two major events have occurred: Group cases It has been identified, but the source of the contamination cannot be known.
“It is therefore important to continually identify these new sources of pollution,” Ms. Campes insisted.
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