It is best known as a severe lung infection, but experts say Legionnaires' disease may leave survivors with far more lasting damage — including months of fatigue, brain fog, and reduced quality of life.
A Swiss investigation, published in Swiss Medical Weekly, is examining whether the illness triggers a long-term condition similar to Long COVID, with symptoms lingering well after the infection clears. Researchers are tracking pneumonia survivors for a year to understand the true health burden of this often-misdiagnosed disease.
