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About HIOH

The Helmholtz Institute for One Health (HIOH) in Greifswald was founded in 2021 as an off-site location of the Helmholtz Centre for Infection Research (HZI). In close cooperation with its local founding partners, the University of Greifswald, the University Medical Center Greifswald and the Friedrich-Loeffler-Institute Federal Research Institute for Animal Health Greifswald-Riems, the HIOH is dedicated to interdisciplinary research on the interrelationships between human, animal and environmental health. Our goal is a better understanding of zoonotic diseases, antimicrobial resistance and the evolution of pathogens as a prerequisite for successful pandemic preparedness and prevention.

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Interdisciplinary for One Health

In accordance with the One Health approach, according to which the health of humans, animals and the environment is to be regarded as an inseparable whole, HIOH unites a variety of scientific disciplines and research foci under one roof. Scientists at HIOH benefit from lively exchange within a unique network of excellent partners at the University of Greifswald, the University Medical Center, the Friedrich-Loeffler-Institute, and also at HZI.

Globalization, climate change, increased human mobility, intensified livestock farming, and increasing urbanization and loss of natural habitats are the main causes of the outbreak and rapid spread of infections. Pathogens spread globally, crossing species boundaries and often developing multi-drug resistance. A lack of therapeutics and vaccines is also a global problem. As the Corona pandemic dramatically demonstrated, our understanding of the origin and transmission of such zoonotic infections is still limited. HIOH is specifically addressing this knowledge gap, setting the stage for effective pandemic preparedness and prevention measures.

With its integrated and contemporary scientific approach, a unique cluster of complementary founding partners and a state-of-the-art infrastructure in Greifswald, HIOH offers the opportunity to address these pressing global issues. It focuses on investigating the interfaces between human, animal and environmental health through longitudinal and comprehensive sampling, data collection and analysis related to emerging infections, microorganisms and resistance in two model regions. One of these research focus areas are the African tropics,a hotspot for disease emergence and antimicrobial resistance. The other focus area is right on HIOH's doorstep in Mecklenburg-Vorpommern. HIOH and its partners thus aim to contribute to significantly improved "Pandemic Preparedness" and more effective control of antimicrobial resistance within the One Health framework.


Since its founding ceremony in April 2022, HIOH has grown steadily and significantly. We are pleased that our team of currently more than 30 scientific, technical and administrative staff from ten nations will continue to grow over the coming months and years.

Research GroupsCore Units
What we study


Fabian Leendertz

Prof Dr Fabian Leendertz

Founding Director & Head of Department Ecology and Emergence of Zoononotic Diseases

+49 3834-3916-101 E-Mail

Administrative & Support Team


Helmholtz Institute for One Health | Fleischmannstraße 42 | 17489 Greifswald | phone: +49 3834 3916 101