WHO: Bangladesh eliminates visceral leishmaniasis, Maldives interrupts leprosy transmission and DPR Korea eliminates rubella

AMTV/New Delhi, 31 October 2023: The World Health Organization today announced elimination of visceral leishmaniasis as a public health problem by Bangladesh, interruption of leprosy transmission by Maldives and elimination of rubella by DPR Korea.

Bangladesh has become the first country globally to be validated for elimination of visceral leishmaniasis or kala azar, a life-threatening neglected tropical disease. The country achieved the elimination target of less than one case per 10,000 population at the sub-district (upazilla) level in 2017 and has sustained it to date despite disruptions caused by the COVID-19 pandemic.

Maldives is the first country to verify interruption of transmission of leprosy, having achieved the milestone of no child case detection for more than five consecutive years. In 2019 Maldives published a ‘Framework for Zero leprosy’ with clear milestones to reach leprosy elimination by 2030. An independent assessment team by WHO highlighted high political will and community motivation, along with strong health systems and minimal evidence of stigma and discrimination towards persons affected by leprosy, as the key factors for Maldives’ success.

The WHO South-East Asia Regional Verification Commission for Measles and Rubella Elimination, at its extended eighth meeting held virtually on 3 October, based on the evidence provided by the National Verification Committee of Democratic People’s Republic of Korea, concluded that endemic rubella virus has been eliminated from the country. DPR Korea introduced measles-rubella vaccine in childhood immunization programme in November 2019 after successfully carrying out a wide age range immunization campaign targeting 9 months to 15 years old children and 16 to 18 years old women with measles and rubella vaccines. Through this mass immunization activity, achieving more than 99.8% coverage in almost 6 million target population, the country rapidly built substantial population immunity for rubella.

Regional Director Dr Poonam Khetrapal Singh felicitated Bangladesh, Maldives and DPR Korea for these public health achievements, at the ongoing Seventy-sixth Regional Committee Session. She also felicitated Bangladesh for elimination of lymphatic filariasis as a public health problem, and Bhutan and Timor-Leste for eliminating rubella, these successes were achieved earlier this year.

“Neglected tropical diseases like lymphatic filariasis, visceral leishmaniasis and leprosy, along with the threat to children and young people posed by rubella, require continued national leadership, commitment and collaborative action by countries and health partners worldwide,” said WHO Director-General Dr Tedros Adhanom Ghebreyesus. “I salute the great progress made, in line with WHO guidance, by Bangladesh and Maldives on protecting their populations from such NTDs, and from Bhutan, DPR Korea and Timor-Leste for their work to eliminate rubella as a public health threat. These achievements will positively impact the lives of the most vulnerable populations now and in the future.”

“These are tremendous achievements, an outcome of a deeply held strategic vision and culture that together, over the past decade and beyond, we have created. A vision and culture that strives to advance the health and well-being not of some, or even many people, but of all people, everywhere,” Dr Khetrapal Singh said.

Elimination of neglected tropical diseases and childhood killer and debilitating diseases measles and rubella have been among the eight flagship priority programmes of the WHO South-East Asia Region since 2014.

With WHO and Member countries focusing on the flagships, which are in sync with SDG targets and WHO global priorities, the Region has been witnessing significant advances. Five of the 11 Member countries – Bhutan, DPR Korea, Maldives, Sri Lanka and Timor-Leste- have achieved the regional target of measles and rubella elimination.

Among neglected tropical diseases, the Region has been focusing on trachoma, lymphatic filariasis, visceral leishmaniasis / kala-azar, yaws, and leprosy. Four countries – Maldives, Sri Lanka, Thailand, and Bangladesh – have eliminated lymphatic filariasis. Nepal and Myanmar have eliminated trachoma, and India has been verified yaws-free.

Like many neglected tropical diseases, WHO South-East Asia Region historically accounted for substantial disease burden of kala-azar with Bangladesh, India, and Nepal accounting for 70% of the global cases between 2004 and 2008. The three countries and WHO signed an MoU in 2005 launching the Regional Kala-Azar Elimination Initiative. The MoU was renewed in 2014 with inclusion of Bhutan and Thailand.

Since 2005 Member countries and WHO have been making concerted efforts to strengthen case management, integrated vector management, effective disease surveillance, social mobilization and operational research, as part of the first Regional Strategic Framework for Elimination of Kala-azar in South-East Asia Region. The Region has witnessed 95% decline in new cases of kala-azar in the last 10 years. By 2022, only one percent of the implementation units (areas being focused upon with kala-azar elimination efforts) were left to achieve the elimination target of less than one case per 10,000 population.

The Special Programme for Research and Training in Tropical Diseases and WHO, the Government of Bangladesh and partners such as the Government of the United Kingdom, Gilead Sciences, Inc., the Bill & Melinda Gates Foundation, Drugs for Neglected Diseases initiative and the International Centre for Diarrhoeal Disease Research, Bangladesh, supported research and development of new diagnostic tools and effective treatments, and their roll-out, that helped accelerate the elimination of kala-azar in Bangladesh.

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