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Dr. William Karesh
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Dr. William Karesh is the Executive Vice President for Health and Policy at EcoHealth Alliance. Dr. Karesh has pioneered initiatives in dozens of countries focusing attention and resources on solving problems created by the interactions among wildlife, people, and their animals. He coined the term “One World – One Health,” to describe these initiatives, which link public health, agriculture and environmental health organizations at both local and international scales. He has authored over 150 scientific papers and numerous book chapters.

Entries by Dr. William Karesh

A Bold Approach: The Global Health Security Agenda

(0) Comments | Posted November 20, 2015 | 4:00 PM


Imagine a world in which everyone pitched in to make us safer and healthier. A place where diseases did not fester for months or years until public outcry demanded action. A world where the risk of intentional or accidental release of horrible diseases...

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Holiday Epidemics: The El Niño Warning

(2) Comments | Posted November 9, 2015 | 8:49 AM

At least every seven years or so, and predictable many months in advance, our planet pushes the reset button on our oceans and atmosphere. The big event begins in the South China Sea and quickly spreads to encircle our planet. Few living things are spared its influence.

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Surprised by MERS Again? The Middle East Respiratory Syndrome Coronavirus in Asia

(0) Comments | Posted June 12, 2015 | 6:46 PM

It's hard to believe but I first posted the article that this is adapted from almost two years ago to the day. Little has changed other than Ebola drawing the world's attention away from MERS until a new and significant outbreak erupted in east Asia three weeks ago...

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판데믹(세계적 유행병)과 새로운 질병에 대한 7가지 잘못된 믿음

(0) Comments | Posted June 3, 2015 | 4:45 AM

새로운 질병과 세계적 유행병이 지구인의 관심을 받고 있다. 그런데 우리가 병에 대한 이야기는 많이 듣지만, 우리가 실제로 이 병들에 대해 아는 것, 또는 모르는 것은 무엇일까? 새로운 질병과 세계적 유행병에 대한 흔한 잘못된 믿음을 이 기회에 떨치고자 한다.

1. 공중 보건상의 문제일 뿐이다.

새로운 질병과 세계적 유행병은 공중 보건의 영역에만...

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Celebrating Regular People and Their Humanity: Fighting Pandemics, Responding to Natural Disasters and Helping to End Domestic Violence

(0) Comments | Posted September 29, 2014 | 5:34 PM

We all hear of celebrities from the worlds of entertainment and business contributing their time, name or money to help make the world a better place. Far less common is public recognition for the huge number of people who find some creative way to improve our lives or the lives...

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Morey Lipton, M.D. -- Four Lessons He Taught Me About Medicine (and Life)

(0) Comments | Posted September 25, 2014 | 1:40 PM

On Sept. 22, one of the most caring, boundless, and accomplished human beings I have ever met passed away in Charleston, South Carolina. Dr. Morey Lipton was a brilliant physician, who, despite his specialty as a skilled surgeon, insisted that health was a whole patient, whole family, and...

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Ebola Is Just One of Many

(0) Comments | Posted August 18, 2014 | 5:52 PM

Co-developed with Catherine Machalaba, M.P.H., EcoHealth Alliance


For background information used in this graphic, please see:

Most known human infectious diseases are shared with animals (61 percent of known organisms pathogenic to humans). This is especially true for recently-emerging

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This Halloween: Bats Beware

(2) Comments | Posted October 25, 2013 | 10:47 AM

Photo courtesy of: Dr. Jonathan Epstein, @EcoHealth Alliance

Contrary to creepy Halloween images of witches, ghosts and ghouls, one of the traditional icons of the season -- the bat -- deserves to be a star. For centuries, Chinese cultures regarded bats...

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Interview With a Zombie: Insights Into Pandemics

(0) Comments | Posted October 20, 2013 | 8:30 PM

Kids are back in school sharing their germs, flu season has begun, millions of people have just returned home from the annual pilgrimage to Mecca, and infectious disease experts are wondering if last year's avian influenza will re-emerge in China this fall. Are we prepared for a disease outbreak?

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Pennies to Prevent Pandemics -- Virodiversity as a Grand Challenge for Global Health Security

(0) Comments | Posted September 6, 2013 | 12:02 PM

What would you say if you were asked to pay three cents a year to possibly prevent hundreds or thousands of deaths, reduce terrifying disease outbreaks and save billions of dollars in economic losses due to infectious diseases? Being asked this exact question just became a distinct possibility. According to...

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Deadly MERS Mystery Maybe Solved: Bats One Up Camels

(0) Comments | Posted August 26, 2013 | 11:00 AM

For over a year now, medical researchers have been searching for the source of the new coronavirus that has killed dozens of people that lived in, or traveled to, the Middle East. Viruses typically are named for where they are found, so this one has been dubbed the Middle East...

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7 Common Myths About Pandemics and New Diseases

(14) Comments | Posted June 27, 2013 | 8:12 PM

Co-authored with Catherine M. Machalaba, MPH

Novel diseases and pandemics have captured our global attention. Yet, for all we hear about them, what do we actually know -- or perhaps more accurately, not know about them? Here we dispel common myths about novel diseases and pandemics.

Myth 1. They're just...

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Surprised by MERS? The Middle East Respiratory Syndrome Coronavirus

(4) Comments | Posted June 12, 2013 | 4:32 PM

Possibly the most interesting aspect of the emergence of the new infectious disease killing dozens of people in the Middle East, as well as others who have traveled there, is that so many people are surprised. Expressions of angst from the international health community are understandable. The last time a...

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