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European medical schools urged to adopt ‘One Health’ approach - Thursday, May 25, 2017

European medical schools urged to adopt ‘One Health’ approach and SEE letter co-signed by six organisations including the Standing Committee of European Doctors and the European Medical Students Association


"While the One Health approach has recently gained recognition in Europe and worldwide, the organisations said its application in education needs to ..."

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Health ministers in G20 Summit commit to address antimicrobial resistance - Wednesday, May 24, 2017


Health ministers in G20 Summit commit to address antimicrobial resistance

Down To Earth Magazine (press release) (registration) (blog)

In accordance with the fact that AMR is a One-Health issue, the Declaration extends support to AMR-specific mandates of the WHO, Food and ...

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Images of One Health - Tuesday, May 23, 2017

Images of One Health

 Image result for one health



67th Annual James Steele Conference on Diseases in Nature Transmissible to Man (DIN) - Monday, May 22, 2017

One Health

67th Annual James Steele Conference on Diseases in Nature Transmissible to Man (DIN)

May/24/2017 - May/26/2017

Irving, Texas, USA


"DIN is a not-for-profit conference and serves as a forum for the presentation of epidemiological investigations, clinical case studies, basic and applied research, and other topics in emerging and current zoonotic and environmentally-acquired infectious diseases.   The conference's goal is to increase knowledge and awareness of these diseases within the medical, public health, and academic research communities.  

Participants include physicians, physician assistants, nurses, veterinarians, epidemiologists, virologists, microbiologists, parasitologists, entomologists, sanitarians, public health professionals, wildlife biologists, animal control officers, and others involved in the diagnosis, investigation, prevention, control, and research of zoonoses and environmentally-acquired infectious diseases.

DIN is co-sponsored by the Texas Department of State Health Services Zoonosis Control Branch and the Texas Health Institute.  For more information about zoonoses in Texas, please visit the Zoonosis Control Branch's website at  For more information about the Texas Health Institute, please visit

Please join us May 24-26, 2017 at the beautiful AAA 4-Diamond Omni Mandalay Hotel in Irving, Texas for the 67th annual meeting of the James Steele Conference on Diseases in Nature Transmissible to Man.  This conference provides excellent, informative presentations by local, state, national, and international experts, continuing education credits for a variety of professions, and a great opportunity to network with colleagues and make new friends!"

For more information, please click here.  


2017 Conference


Past Conferences 


Conference History


J.V. Irons Keynote Address 


About Dr. James Steele


International Conference on Diseases in Nature Communicable to Man (INCDNCM)


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Dedicated to improving the public health through a better understanding of zoonoses and environmentally-acquired infectious diseases.

One Health: New Term, Ancient Concept - Saturday, May 20, 2017




  One Health: New Term, Ancient Concept

“The One Health Initiative website has been serving as a global repository for all news and information pertaining to One Health since 2008.”

By Physician Laura H. Kahn, MD, MPH, MPP 

See more at:

“... To fill the communications gap between physicians and veterinarians, my colleagues and I cofounded the One Health Initiative. The One Health Initiative website has been serving as a global repository for all news and information pertaining to One Health since 2008. Please visit it. We look forward to any feedback that you might have.” 
[This article originally appeared online at MD Magazine.]

Dr. Kahn is a physician and research scholar with the Program on Science and Global Security at the Woodrow Wilson School of Public and International Affairs, Princeton University. In April 2006, she published the article “Confronting Zoonoses, Linking Human and Veterinary Medicine” in Emerging Infectious Diseases, which helped launch the One Health Initiative. She is also the author of Who’s in Charge? Leadership during Epidemics, Bioterror Attacks, and Other Public Health Crises (2009) and One Health and the Politics of Antimicrobial Resistance (2016).

   See more at: including:

Letter from the Chairman Making One Health a Priority

Prominent U.S. Tuberculosis Expert and One Health Leader Dies - Saturday, May 13, 2017

Prominent U.S. Tuberculosis Expert and One Health Leader Dies

Dr. Charles O. Thoen, a veterinarian internationally recognized for his extensive knowledge and expertise in the scientific field of tuberculosis and an avid One Health leader/advocate died unexpectedly Monday, May 8, 2017.  Notably, Dr. Thoen earned his PhD degree following a fellowship in microbiology research at the renowned Mayo Clinic graduate school of medicine (1968-1971): University of Minnesota.  He had previously received his Doctor of Veterinary Medicine (DVM) degree from U of M in 1961.

Dr. Thoen was a valued friend and strong ally of the One Health Initiative Autonomous Pro Bono team.  This brilliant, kind and decent man shall be sorely missed by his friends, colleagues and the global public health scientific world.

A fitting in memoriam to him and for his family, is the following beautifully prepared pertinent article:

Iowa State University – College of Veterinary Medicine


A Man Among Beasts

Dr. Charles Thoen

Editor's Note: It is with great sadness that we report the death of Dr. Charles Thoen, professor of veterinary microbiology and preventive medicine, on Monday, May 8, 2017.

During his half-century- long career in veterinary medicine, Dr. Charles Thoen has worked with food- producing animals, companion animals, nonhuman primates, elk, buffalo and even elephants. Early in his career he was a veterinary medical epidemiologist for the United States Department of Agriculture (USDA). He later chaired the department of Veterinary Microbiology and Preventive Medicine at Iowa State University, International Union Against Tuberculosis and Lung Disease Scientific Committee on Tuberculosis in Animals, and World Health Organization Committee on Animal Tuberculosis.

He’s been a consultant to the Smithsonian Institution, National Institutes of Health, Centers for Disease Control and Prevention, Pan American Health Organization, National Aquarium in Baltimore, International Elephant Foundation, and agricultural departments in the United States and countries including Egypt, New Zealand, South Africa, Colombia and Serbia.

Dr. Thoen has served as president of the American Veterinary Epidemiology Society and was invited by the World Veterinary Association to provide content for its educational portal on tuberculosis (TB) in animals and humans. In 2014 he received the Distinguished Research Alumnus award from the University of Minnesota College of Veterinary Medicine for his accomplishments on TB and clinically significant pathogenic mycobacteria. He’s been an editor of seven textbooks on infectious disease that are used by scientists worldwide.

He credits his training at Mayo Clinic for providing him with research skills, and a childhood pet for sparking his lifelong interest in infectious diseases in animals and humans.

Dr. Thoen grew up on a farm in Harmony−Lanesboro, Minnesota. When his dog, Trixie, contracted an infectious disease and died, the 10-year-old boy wanted to learn more about what killed his pet. He talked to the local veterinarian and “was hooked,” he says.

Dr. Thoen recently edited the third edition of Zoonotic Tuberculosis: Mycobacterium bovis and Other Pathogenic Mycobacteria, a comprehensive review of the state-of-the-art control and elimination of infections caused by Mycobacterium tuberculosis complex in animals and humans.

Intermingling of the species

“Infectious diseases can be transmitted from animals to humans, and from humans back to animals,” says Dr. Thoen. TB in particular causes disease in humans, elephants and several nonhuman primates. He says this information is especially important because TB is a re-emerging disease in both humans and animals worldwide and is a risk when they intermingle.

“Advanced TB is highly contagious and a significant concern to public health officials,” says Dr. Thoen. “Molecular techniques can trace outbreaks, including genotyping the TB organisms to identify strains and determine if isolates from human patients are similar to those of animals they were exposed to — or vice versa. If the isolates are the same, we can suspect transmission from one species to another, which helps identify the source of infection.”

Employees at animal parks and animal training centers have contracted the disease from elephants and primates. TB isn’t common among U.S. cattle but does occur in cattle imported from Mexico, exposing domestic cattle to the disease.

“Suspected animals are tested, but they only shed the organism in advanced stages of disease, so tests have limitations,” he says. “Public health officials are very concerned about animal-to-human transmission. People who come in contact with elephants may be at risk of contracting TB. Infected animals that expel air in proximity to people can infect them. Some studies show that 13 percent of captive elephants are infected with TB.”

Elephant man

When TB was first diagnosed in captive elephants in 1996, Dr. Thoen worked with a national group of elephant owners and the USDA to set up guidelines for testing, treatment and monitoring the disease. It was the start of 20 years of working with elephants. Some of his trainees became pioneers in the process of collecting samples for testing from the inside of the animals’ trunks — similar to a sputum sample. His team also determined the drug treatment protocols for elephants infected with TB.

“Initially the drug is given orally in grape juice, but elephants quickly lose interest in it,” he says. “We developed a suppository pack, which is now the standard treatment for uncooperative elephants.”

Costly treatment — in dollars and death

Some strains of TB in both humans and animals are resistant to two or more first-line drugs, and others are resistant to multiple drugs. The cost of treating TB is considerable. According to Dr. Thoen, in humans it’s $20,000 for a normal strain of TB and $135,000 to $400,000 for drug- resistant strains, with no guarantee — drug-resistant cases are often fatal. Treating infected animals is just as costly — $100,000 over 18 months for an elephant and as much as $400,000 if it is extensively drug-resistant.

“When an outbreak occurs in other animal populations, we don’t treat the disease,” says Dr. Thoen. “Instead, we remove the animals from the population and do follow- up tests for three and five or more years in those who were exposed.”

Dr. Thoen points out that when TB occurs in developing countries, it’s often not treated in humans, let alone animals, due to the high cost, which contributes to the spread of the disease. Some experts fear TB in animals could lead to the extinction of endangered species.

Dr. Thoen is an advocate for the One Health initiative and has authored content on its educational portal. One Health recognizes that human health, animal health and the environment are inextricably linked and encourages worldwide interdisciplinary collaboration in health care for humans, animals and the environment to defend the health and well-being of all species.

“Tuberculosis doesn’t know if it’s in an animal or a human and doesn’t care who it infects next,” he says. “We need better diagnostic tests and procedures.”

Reprinted from Mayo Clinic Alumni Magazine, Issue 3, pp 28 to 30.  2016. electronic Alumni magazine

New Online Biology Dictionary includes One Health Reference - Sunday, May 07, 2017

New Online Biology Dictionary includes One Health Reference

 “Biology is the study of living things. It is broken down into many fields, reflecting the complexity of life from the atoms and molecules of biochemistry to the interactions of millions of organisms in ecology. This biology dictionary is here to help you learn about all sorts of biology terms, principles, and life forms. Search by individual topic using the alphabetized menu below, or search by field of study using the menu on the left.”

See: "Useful Links" page ( 

Provided by:

Chris Chen, MD

CEO of Chen Medical, Co-Founder & Editor of []

Miami, Florida

“... I am an avid reader of, I found it very helpful!  Recently I've started a related topic project of mine at, which aims to provide useful explanations and examples of biology terms to students, teachers and researchers. ...”

5th International One Health Congress - Thursday, May 04, 2017




Announcement: 5th International One Health Congress travels to Canada in June 2018

Join the One Health research and policy community at the 5th International One Health Congress, which will be held in Saskatoon, Canada, on 22 - 25 June 2018. The congress is organized by the One Health Platform and the University of Saskatchewan, in close cooperation with the Southern African Centre for Infectious Disease Surveillance (SACIDS). Special attention will go to antimicrobial resistance, translational science, and recent advances in the fields of zoonoses and emerging infectious diseases. Visit the congress website at or download the announcement brochure


First Physician in History to Serve on American Veterinary Epidemiology Society (AVES) Board - Tuesday, May 02, 2017

First Physician in History to Serve on American Veterinary Epidemiology Society (AVES) Board

May 1, 2017 -- The American Veterinary Epidemiology Society’s (AVES) President and Executive Director, Dr. Craig N. Carter formerly announced today that Dr. Laura H. Kahn accepted an appointment serving on the AVES board of directors.  Dr. Kahn will be the first physician in the history of AVES to serve on the board.  Kahn received the AVES’ highest honor, the prestigious “Gold Headed Cane” award at the American Veterinary Medical Association’s (AVMA) annual meeting/convention in San Antonio, Texas (USA) on August 8, 2016  She is a co-founder of the One Health Initiative team (2006-7) and website (October 2008)  

Dr. Carter also announced the inclusion on the AVES Executive Board of the prominent and extraordinary veterinarian, Dr. W. Ron DeHaven, a retired CEO and Executive Vice President of the AVMA.  DeHaven retired from his position with AVMA in 2016.  Prior to that he spent more than two decades with the U.S. Department of Agriculture, most recently as the Animal and Plant Health Inspection Service (APHIS) administrator and chief veterinary officer for the United States.  DeHaven was also a recipient of the AVES Gold Headed Cane Award on August 8, 2016.

With the additions of Laura H. Kahn, MD, MPH, MPP and W. Ron DeHaven, DVM, MBA, the AVES board is now comprised of President Craig N. Carter, DVM, PhD, Immediate Past President, Charles O. Thoen, DVM, PhD, Past President, Lonnie King, DVM, MS, MPA, Saul T. Wilson, DVM, MPH, Bruce Kaplan, DVM, and William Stokes, DVM 

About these recent appointments, Dr. Carter said, “we  are extremely proud to announce that these two new Board members were appointed during our last meeting on April 18, 2017.  Dr. Ron DeHaven’s many years of creative and strong governmental and AVMA leadership experience will be extremely valuable in furthering the goals and mission of the AVES.”  Carter noted that, “physician Dr. Laura Kahn, is a co-founding member of the One Health Initiative and has recently released a book entitled One Health and the Politics of Antimicrobial Resistance published by the Johns Hopkins University Press which explores the realities of how antimicrobial resistance poses a major risk to both human and animal health”.  Carter said, “Kahn’s devotion to the One Health philosophy makes her a perfect fit to serve on the AVES Board of Directors.  Both DeHaven and Kahn will significantly help in our goals of improving animal health, human health, epidemiology and One Health.”

World Health Organization (WHO) - One Health - April 2017 - Tuesday, April 25, 2017

World Health Organization (WHO) - See full notice:

“One Health

April 2017

What is 'One Health'?

'One Health' is an approach to designing and implementing programmes, policies, legislation and research in which multiple sectors communicate and work together to achieve better public health outcomes.

The areas of work in which a One Health approach is particularly relevant include food safety, the control of zoonoses (diseases that can spread between animals and humans, such as flu, rabies and Rift Valley Fever), and combatting antibiotic resistance (when bacteria change after being exposed to antibiotics and become more difficult to treat).

Why do we need a One Health approach?

Many of the same microbes infect animals and humans, as they share the eco-systems they live in. Efforts by just one sector cannot prevent or eliminate the problem. For instance, rabies in humans is effectively prevented only by targeting the animal source of the virus (for example, by vaccinating dogs).

The composition of seasonal flu vaccines for humans is informed by which flu strains are circulating in animals. Drug-resistant microbes can be transmitted between animals and humans through direct contact between animals and humans or through contaminated food, so to effectively contain it, a well-coordinated approach in humans and in animals is required.

Who makes the One Health approach work?

Many professionals with a range of expertise who are active in different sectors, such as public health, animal health, plant health and the environment, should join forces to support One Health approaches.

To effectively detect, respond to, and prevent outbreaks of zoonoses and food safety problems, epidemiological data and laboratory information should be shared across sectors. Government officials, researchers and workers across sectors at the local, national, regional and global levels should implement joint responses to health threats.

WHO works closely with the Food and Agriculture Organization of the United Nations (FAO) and the World Organisation for Animal Health (OIE) to promote multi-sectoral responses to food safety hazards, risks from zoonoses, and other public health threats at the human-animal-ecosystem interface and provide guidance on how to reduce these risks.

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