Merck Manual

Please confirm that you are a health care professional

honeypot link

One Health


One Health is a collaborative, multisectoral, and transdisciplinary approach—working at the local, regional, national, and global levels—with the goal of achieving optimal health outcomes recognizing the interconnection between people, animals, plants, and their shared environment.

- As defined by the CDC


Explore our Q & A, co-authored by one of our physician editors, Ernest Yeh, MD, and Veterinary Manual editor, Nicholas Roman, DVM, MPH. 


Relevant Content



Additional Resources


Connect With Us on Social

Facebook icon     Instagram icon     YouTube icon     Twitter icon