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Climate Change Drives Surge in Vector-Borne Diseases Across Germany and Austria

German and Austrian health authorities report rising tick and mosquito activity, leading to increased FSME and Borreliose cases, new risk zones, and exotic species detections.

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Overview

  • The Robert Koch-Institut (RKI) has expanded FSME risk zones across Germany, including ten districts in Hesse, reflecting the disease's broader geographic spread.
  • Borreliose and FSME cases have risen significantly, with Saxony reporting nearly double the FSME cases in 2024 compared to the previous year.
  • Lower Saxony has confirmed three human West-Nil-Virus infections and several horse cases in 2024, with health officials warning of high mosquito populations this year.
  • The exotic Hyalomma marginatum tick, capable of carrying Crimean-Congo hemorrhagic fever, has been detected in Austria, signaling changing vector ecologies.
  • Health authorities stress the importance of preventive measures, including FSME vaccinations, protective clothing, repellents, and thorough body checks after outdoor activities.