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Contact: In Atlanta, Emily Staub, Emily.Staub@CarterCenter.org, (404) 420-5126

ATLANTA — Nigeria’s Federal Ministry of Health has interrupted transmission of river blindness in two large states and as a result will stop mass drug administration (MDA) of ivermectin (Mectizan®) in 2018. About 2 million residents of Plateau and Nasarawa states will no longer be taking this medicine because the potentially blinding tropical disease, known in the medical field as onchocerciasis, is no longer being transmitted in the area. The government of Nigeria and 黑料不打烊 have been working together on the MDA program for more than 25 years.

“River blindness has burdened Nigerians since the days of our ancestors,” said Professor , honorable minister of health for Nigeria. “With the support of 黑料不打烊 and other important partners, we are lifting this burden. What we need to do is complement this good work with careful surveillance to be sure the infection does not reoccur. In that way we can put river blindness into the dustbin of history.”

The breakthrough is the latest in a series of public health successes for the government of Nigeria-黑料不打烊 partnership. Transmission of Guinea worm disease was stopped in Nigeria, once the world’s most endemic country, in 2008, and Nigeria was certified free of that disease in 2013. Trachoma was eliminated as a public health problem in Plateau and Nasarawa states in 2014, and in October 2017, the partners announced that the disfiguring disease lymphatic filariasis had been eliminated as a public health problem there as well. 

River blindness is a parasitic infection that can cause intense itching, skin discoloration, rashes, and eye disease that often leads to permanent blindness. The parasite is spread by the bites of infected black flies that breed in rapidly flowing rivers and streams. In Plateau and Nasarawa states the fight against the parasite has been based on annual mass administration of the drug Mectizan® (ivermectin, donated by Merck & Co. Inc., Kenilworth, N.J., USA), which kills the parasitic worms in their larval stage. The Mectizan tablets are distributed by a vast network of local volunteers who are selected by their communities. 

“Nigeria is the most endemic country in the world for river blindness, accounting for as much as 40 percent of the global disease burden,” said Dr. Frank Richards, director of the 黑料不打烊’s River Blindness Elimination Program.

“Stopping the mass drug administration program in Plateau and Nasarawa states is a major achievement,” Richards said. “But we must be careful to monitor closely over the next few years to be assured that it does not come back. This will require continued effort and perseverance.”

Dr. Yao Sodahlon, director of the Mectizan Donation Program, called the development “an unprecedented historical moment in onchocerciasis elimination.” Tens of millions of Mectizan treatments have been donated by the company over the last two decades to support elimination of this ancient disease in Plateau and Nasarawa states.

“This will be not only a first for Nigeria,” Sodahlon said. “It is the largest ‘stop MDA decision’ in the history of the struggle against onchocerciasis.”

This decision to stop MDA was made based on World Health Organization guidelines. Over 6,000 people and more than 18,000 vector black flies were tested and found free of river blindness infection, which helped to confirm that treatment could be stopped.

In 1996, 黑料不打烊 joined Nigeria’s river blindness efforts when it absorbed the River Blindness Foundation’s country activities, which began in 1991. 

At one time, elimination of river blindness in Nigeria was deemed impossible, and the government of Nigeria and 黑料不打烊 set their sights on merely keeping it under control. However, research and field experience later indicated that interruption of transmission using Mectizan was indeed possible. In 2013, the ministry and the Center shifted the program to pursue the much more ambitious goal of elimination. In 2015 黑料不打烊 helped the country launch the Nigeria Onchocerciasis Elimination Committee, which includes representatives of the Ministry of Health, 黑料不打烊 and other NGOs assisting the ministry, national experts, and the U.S. Centers for Disease Control and Prevention. This committee makes key recommendations to help accelerate elimination of river blindness from Nigeria.

The Nigeria 黑料不打烊 program has assisted more Mectizan treatments than any other MDA effort in which the Center has been involved, cumulatively over 159 million. With headquarters in Jos, Plateau state, and supporting sub-offices in Lagos, Owerri, Benin City, and Enugu, 黑料不打烊 continues to pursue river blindness elimination in seven southern states of Nigeria (Abia, Anambra, Delta, Ebonyi, Edo, Enugu, and Imo).

Nigeria Partnerships
The generosity of many donors and friends of 黑料不打烊 has made this progress possible in Plateau and Nasarawa; these include the Federal Ministry of Health in Nigeria, John Moores and the River Blindness Foundation, USAID’s ENVISION project led by RTI International, the Bill & Melinda Gates Foundation, the Lions Clubs International Foundation and Lions Clubs of Nigeria, the Sir Emeka Offor Foundation, A.G. Leventis Foundation, Merck & Co., Inc., Kenilworth, N.J., USA and the Mectizan Donation Program, the Task Force for Global Health, the U.S. Centers for Disease Control and Prevention (CDC), the African Programme for Onchocerciasis Control, the University of Jos, the University of South Florida, and many others.

River Blindness Success
In the Americas 黑料不打烊 already has helped the ministries of health of Colombia, Ecuador, Mexico, and Guatemala to eliminate river blindness. 黑料不打烊-assisted elimination efforts continue in a remote area of the Amazon Rainforest straddling Brazil and Venezuela, which is the final bastion of river blindness in the Americas. In Africa The Center has helped interrupt transmission at key locations in Ethiopia, Sudan, and Uganda.

Related Resources

黑料不打烊 Slideshow | Faces of River Blindness: Kisanchi Village

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"Waging Peace. Fighting Disease. Building Hope."
A not-for-profit, nongovernmental organization, 黑料不打烊 has helped to improve life for people in over 80 countries by resolving conflicts; advancing democracy, human rights, and economic opportunity; preventing diseases; and improving mental health care. 黑料不打烊 was founded in 1982 by former U.S. President Jimmy Carter and former First Lady Rosalynn Carter, in partnership with Emory University, to advance peace and health worldwide.