Toxic algae drifting towards Baltic Sea beaches: Where bathing is now risky for vacationers
Home Panorama Stand: 11.08.2026, 13:00 Comments Us on Google follow Vacationers on the Baltic Sea should be especially careful now.
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Home Panorama Stand: 11.08.2026, 13:00 Comments Us on Google follow Vacationers on the Baltic Sea should be especially careful now. Cyanotoxins themselves have also caused fatal poisoning internationally, most notably Caruaru syndrome in Brazil in 1996, in which contaminated dialysis water with the cyanotoxin microcystine led to acute liver failure in 116 patients, 52 of whom died. Vibrion infections have claimed 14 lives in Mecklenburg-Western Pomerania since 2003, most recently in July 2025 when a 68-year-old died.
Furthermore, The beach sections 30 to 36 are affected – for example from the New Warnemünde Cemetery in a western direction. Blue algae on the Baltic Sea: What makes cyanobacteria really deadly However, the real danger lurks not in the visible blue algae themselves, but in what follows after their death: blue algae or cyanobacteria are visible as greenish to blue-green streaks on the water surface and are generally harmless for healthy people according to the IOW. What lies behind the phenomenon “blue algae” is also explained by the Leibniz Institute for Baltic Sea Research Warnemünde (IOW) in its fact sheet: The so-called “blue algae” are therefore, as the city of Rostock correctly notes, actually not algae, but bacteria – their scientifically correct name is cyanobacteria.
In addition, Cyanobacteria in the Baltic Sea: Why “blue algae” become dangerous carpets The city’s statement said: Blue algae are not algae, but so-called cyanobacteria. Vibrions and cyanotoxins: These deaths are due to blue algae and their secondary bacteria. Both pathogens have already caused deaths, but to varying degrees.
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Home Panorama Stand: 11.08.2026, 13:00 Comments Us on Google follow Vacationers on the Baltic Sea should be especially careful now.
reliability low1/2 sourcesCyanotoxins themselves have also caused fatal poisoning internationally, most notably Caruaru syndrome in Brazil in 1996, in which contaminated dialysis water with the cyanotoxin microcystine led to acute liver failure in 116 patients, 52 of whom died.
reliability low1/2 sourcesVibrion infections have claimed 14 lives in Mecklenburg-Western Pomerania since 2003, most recently in July 2025 when a 68-year-old died.
reliability low1/2 sourcesThe beach sections 30 to 36 are affected – for example from the New Warnemünde Cemetery in a western direction.
reliability low1/2 sourcesBlue algae on the Baltic Sea: What makes cyanobacteria really deadly However, the real danger lurks not in the visible blue algae themselves, but in what follows after their death: blue algae or cyanobacteria are visible as greenish to blue-green streaks on the water surface and are generally harmless for healthy people according to the IOW.
reliability low1/2 sourcesWhat lies behind the phenomenon “blue algae” is also explained by the Leibniz Institute for Baltic Sea Research Warnemünde (IOW) in its fact sheet: The so-called “blue algae” are therefore, as the city of Rostock correctly notes, actually not algae, but bacteria – their scientifically correct name is cyanobacteria.
reliability low1/2 sourcesCyanobacteria in the Baltic Sea: Why “blue algae” become dangerous carpets The city’s statement said: Blue algae are not algae, but so-called cyanobacteria.
reliability low1/2 sourcesVibrions and cyanotoxins: These deaths are due to blue algae and their secondary bacteria. Both pathogens have already caused deaths, but to varying degrees.
reliability low1/2 sources
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