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International Coalition Urges Final Push to Eliminate River Blindness from the Americas

29 September 2015

Country efforts supported by a major public-private partnership—including The Carter Center/OEPA, PAHO/WHO, and Merck & Co., Inc.’s Mectizan Donation Program—bring the region closer to achieving the elimination goal by 2020. Mexico is the latest country to receive verification of elimination by the World Health Organization.

Washington, DC, Atlanta, GA, and Kenilworth, NJ, Sept. 29, 2015—The Carter Center, PAHO/WHO and the Mectizan Donation Program of Merck & Co., Inc. known as MSD outside the United States and Canada, are part of a coalition of organizations helping countries in the Americas fight river blindness (onchocerciasis), and are calling for a final push to definitively eliminate transmission of the disabling disease from the Western Hemisphere.

“Today, four of the six river blindness-endemic countries in the Americas have eliminated transmission of the disease, but I am not ready to celebrate until the task is complete,” said former U.S. President Jimmy Carter, founder of The Carter Center, which has led the campaign to wipe out river blindness in Latin America through its Onchocerciasis Elimination Program for the Americas (OEPA). “Now is not the time to be complacent. It is the time to increase our efforts.”

Onchocerciasis is a parasitic disease carried by biting black flies that breed in fast-flowing rivers and streams. It can cause intense itching and skin damage, nodules, eye damage, and eventually blindness. The disease disproportionately affects low-income communities in several Latin American countries and in Africa, contributing to the cycle of poverty by reducing affected individuals’ ability to work and learn. In the late 1990s, an estimated 500,000 people in six endemic countries of the Americas were at risk of onchocerciasis.

“River blindness can be controlled and even eliminated when countries mobilize the necessary political will and receive strong support from international partners,” said Dr. Carissa F. Etienne, director of the Pan American Health Organization, Regional Office for the Americas of the World Health Organization (PAHO/WHO). “Today we are calling for renewed resolve in our joint efforts so we can finally rid our hemisphere of this disabling disease forever.”

For more than two decades, elimination efforts undertaken by the endemic countries and coordinated by the Carter Center’s Onchocerciasis Elimination Program for the Americas (OEPA) have reduced the number of people at risk of onchocerciasis to just over 25,000. In 2013 and 2014, respectively, Colombia and Ecuador were officially verified as having eliminated the disease.

Most recently, in July, Mexico became the third country to receive verification by WHO of its elimination of onchocerciasis. In addition, Guatemala has submitted a request for verification, with a country visit anticipated for early 2016. This leaves only one area with active transmission: the shared border region between Brazil and the Bolivarian Republic of Venezuela that is home to the Yanomami indigenous people.

The linchpin of the elimination strategy—which is also being used in Africa—is the mass administration of the antiparasitic drug Mectizan® (ivermectin), which is produced and provided by Merck free of charge through its Mectizan® Donation Program. Since its beginning in 1987, the donation program has worked to ensure twice-yearly mass treatment of affected communities and by 2006, that goal had been achieved in all 13 endemic areas in the Americas.

“We are humbled by the great work of the alliance of partners and countries to protect future generations from this disease that carries such devastating implications for people, families and communities,” said Dr. Julie L. Gerberding, executive vice president, Strategic Communications, Global Public Policy and Population Health at Merck & Co., Inc. “Through the Mectizan® Donation Program, our company has committed to donating this medicine for as long as it’s needed, and we look forward to celebrating the day when river blindness has been eliminated worldwide.”

The core partners who have supported the ministries of health of the affect countries include the Carter Center’s OEPA, PAHO/WHO, the U.S. Centers for Disease Control and Prevention (CDC), Merck & Co. Inc.’s Mectizan Donation Program, and a host of international partners, foundations, universities, and individuals.

The final push to eliminate onchocerciasis from the Brazil-Venezuela border area represents a major challenge because of the dispersed and migratory nature of the Yanomami population, who live in small communities in the dense, nearly inaccessible terrain of the deep Amazon rainforest and mountains. The ministries of health of Brazil and Venezuela are working with The Carter Center/OEPA, PAHO/WHO, and other partners to ensure the necessary treatment is delivered to the Yanomami people to meet the goal of eliminating onchocerciasis from the area—and therefore from the Americas as a whole—by 2020.

About PAHO

Established in 1902, the Pan American Health Organization (PAHO) is the world’s oldest international public health organization and works with all the countries of the Americas to improve the health and quality of life of their peoples. PAHO serves as the Regional Office for the Americas of the World Health Organization (WHO). Visit www.paho.org | Follow on social media: Twitter–EnglishTwitter– SpanishFacebook,YouTubeFlickr and LinkedIn.

About The Carter Center and OEPA

A not-for-profit, non-governmental organization, The Carter Center has helped to improve life for people in more than 80 countries by resolving conflicts; advancing democracy, human rights, and economic opportunity; preventing diseases; and improving mental health care. The Center was founded in 1982 by former U.S. President Jimmy Carter and his wife, Rosalynn, in partnership with Emory University, to advance peace and health worldwide. Launched in 1993 with funding from the River Blindness Foundation and absorbed by the Carter Center in 1996, the Center’s OEPA has played a key role in assisting ministries of health of the affected Latin American countries to eliminate transmission of onchocerciasis within their borders. The Carter Center has continued to pioneer multiple disease elimination approaches in Africa and Latin America. Visit www.CarterCenter.org.

About Merck & Co. Inc and the Mectizan® Donation Program

Today’s Merck (NYSE: MRK), is a global health care leader working to help the world be well. Merck is known as MSD outside the United States and Canada. Through its prescription medicines, vaccines, biologic therapies, and animal health products, Merck works with customers and operates in more than 140 countries to deliver innovative health solutions. Merck also demonstrates its commitment to increasing access to health care through far-reaching policies, programs and partnerships. For more information, visit www.merck.com.

In October 1987, Merck announced it would donate the medication Mectizan® to all who need it for as long as necessary until onchocerciasis is eliminated as a public health problem. The Mectizan® Donation Program reaches more than 150 million people annually. In Latin America, since 1989, more than 13 million treatments of donated Mectizan® have been delivered by community health workers and non-governmental organizations. www.mectizan.org