Travel-associated Legionnaires’ disease in Europe, 2010

In 2010, the European surveillance network for travel-associated Legionnaires’ disease (ELDSNet, previously EWGLINET) received reports of 864 cases of travel-associated Legionnaires’ disease, of whom 24 were reported to have had a fatal outcome. As in previous years, a very low proportion of clinical isolates were obtained (45 cases, 5.6%). In the 2010 dataset, male cases outnumbered female cases by 2.6:1 and had a median age of 61 years (range: 21–96), while the median age for women was 63 years (range: 12–95). The network identified 100 new clusters in 2010, of which 44 involved only one case from each reporting country and would probably not have been detected by national surveillance schemes alone. The largest cluster (having 14 cases) was associated with a cruise ship. Legionella species were detected at 61 of the 100 accommodation site clusters investigated. The names of five accommodation sites were published on the ECDC website

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