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. 2023 Mar;29(3):605-608.
doi: 10.3201/eid2903.221568.

Correlation of High Seawater Temperature with Vibrio and Shewanella Infections, Denmark, 2010-2018

Yaovi Mahuton Gildas Hounmanou, Jørgen Engberg, Karsten Dalsgaard Bjerre, Hanne Marie Holt, Bente Olesen, Marianne Voldstedlund, Anders Dalsgaard, Steen Ethelberg

Correlation of High Seawater Temperature with Vibrio and Shewanella Infections, Denmark, 2010-2018

Yaovi Mahuton Gildas Hounmanou et al. Emerg Infect Dis. 2023 Mar.

Abstract

During 2010-2018 in Denmark, 638 patients had Vibrio infections diagnosed and 521 patients had Shewanella infections diagnosed. Most cases occurred in years with high seawater temperatures. The substantial increase in those infections, with some causing septicemia, calls for clinical awareness and mandatory notification policies.

Keywords: Denmark; Shewanella; Vibrio; bacteria; climate change; infections; seawater temperature.

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Figures

Figure 1
Figure 1
Relationship between Shewanella and Vibrio spp. infections and seawater temperature in Denmark, by year, 2010–2018. A, B) Pearson correlation between annual numbers of diagnosed Shewanella (A) and Vibrio (B) infections. C) Comparison of Shewanella and Vibrio cases and average summer seawater temperature by year.
Figure 2
Figure 2
Number of cases of Shewanella and Vibrio spp. infection (n = 98), by municipality, Denmark, 2018.
See this image and copyright information in PMC

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