Dr. Bilal A Bhat & Dr. Nazia Fayaz
Leprosy, medically known as Hansen’s disease, is a chronic infectious disease caused by the bacterium Mycobacterium leprae. The disease primarily attacks the skin, peripheral nerves, upper respiratory tract, and eyes. Left untreated, it can lead to progressive nerve damage, disabilities, deformities, and functional impairments. The disease has a long incubation period, often several years, making early detection challenging. Transmission typically requires prolonged close contact with untreated individuals, and the majority of people exposed to M. leprae never develop the illness due to natural immunity. The infection spreads from person to person by nasal secretions or droplets. Leprosy has affected humanity for thousands of years and the disease takes its name from the Greek word λέπρᾱ (léprā), from λεπῐ́ς (lepís; “scale”), while the term “Hansen’s disease” is named after the Norwegian physician Gerhard Armauer Hansen. Written accounts of leprosy date back thousands of years. The various skin diseases translated as leprosy appear in the ancient Indian text, the Atharava Veda, by 600 BC. Another Indian text, the Manusmriti (200 BC), prohibited contact with those infected with the disease and made marriage to a person infected with leprosy punishable. Interpretations of the presence of leprosy have been made on the basis of descriptions in ancient Indian (Atharvaveda and Kausika Sutra), Greek, and Middle Eastern (Tzaraath) documentary sources that describe skin afflictions. Leprosy probably did not exist in Greece or the Middle East before Common Era. Leprosy is one of the diseases mentioned in the Holy Quran in the context of the miracles of the noble prophet Jesus, son of Mary. It did not exist in the Americas before colonization by modern Europeans. It did not exist in Polynesia until the middle of the 19th century. Skeletal remains from the second millennium BCE, discovered in 2009, represent the oldest documented evidence for leprosy. Located at Balathal, in Rajasthan, northwest India, the discoverers suggest that if the disease did migrate from Africa to India, during the third millennium BCE “at a time when there was substantial interaction among the Indus Civilization, Mesopotamia, and Egypt, there needs to be additional skeletal and molecular evidence of leprosy in India and Africa so as to confirm the African origin of the disease.” A proven human case was verified by DNA taken from the shrouded remains of a man discovered in a tomb next to the Old City of Jerusalem dated by radiocarbon methods to 1–50 AD.
In Kashmir leprosy was once thought to be the most horrifying and deadly disease and those afflicted were treated as outcasts and lived in isolated colonies. It is now totally curable by multi-drug therapy and is not contagious as was thought earlier. The British set up the colony on the banks of Nageen Lake in a place which was known as Baharhaar. A Hospital for leprosy patients was housed in a Victorian style building. In the vicinity of the hospital a colony of single storey mud huts housed the lepers and their families. Over a period of time, the colony as well as the hospital deteriorated. No one bothered about these outcasts from the society who has coming from places as far off as Kargil and Gurez. A couple of years back, on visiting the colony in winter alongwith friends , the poor men and women, with children, were living in unhappy conditions. The local newspapers carried some stories about the plight of the patients. Leprosy has historically been associated with social stigma, which continues to be a barrier to self-reporting and early treatment. The introduction and widespread implementation of multidrug therapy (MDT)—a combination of antibiotics including rifampicin, dapsone, and clofazimine—has revolutionized leprosy treatment. MDT is highly effective, provided free of charge through WHO partnerships, especially with pharmaceutical donors like Novartis. With early diagnosis and appropriate treatment, the disease is fully curable, and patients typically become non-infectious within Despite this medical simplicity, barriers such as limited access to health services, geographical isolation, and deep-rooted societal stigma continue to hinder progress in many regions. Separating people affected by leprosy by placing them in leper colonies still occurs in some areas of India, China, Africa, and Thailand. Most colonies have closed, as leprosy is not very contagious. Some consider the word “leper” offensive, preferring the phrase “person affected with leprosy”. Leprosy is classified as a neglected tropical disease. Approximately 30% of people affected with leprosy experience nerve damage. The nerve damage sustained is reversible when treated early, but becomes permanent when appropriate treatment is delayed by several months. Leprosy symptoms may begin within one year, but for some people symptoms may take 20 years or more to occur. Leprosy is spread between people, although extensive contact is necessary and about 95% of people who contract M. leprae do not develop the disease.
People with leprosy can live with their families and go to school and work. Early detection of the disease leprosy is important, since physical and neurological damage may be irreversible even if cured. According to recent WHO data:Around 172,717 new cases were reported globally in 2024, from data submitted by 188 countries and territories. Of these cases:Approximately 40% were in females.Around 5.4% were children, indicating ongoing transmission in certain communities. New cases with Grade 2 Disabilities (visible deformities) continue to be reported, reflecting delays in diagnosis and treatment. This means that while leprosy is declining overall, hundreds of thousands of new diagnoses occur each year—a reminder that the disease remains entrenched in many regions. It continues to be detected in more than 120 countries worldwide with the greatest burden in South-East Asia, Africa, and parts of the Americas. South-East Asia, particularly India, still accounts for a large portion of global cases.Brazil and Indonesia report significant annual caseloads.Several countries in Africa, Asia, and the Western Pacific report medium to low levels of new cases. In some sub-regions, the rate of new case detection among children is used as a marker of ongoing transmission, and elevated disability rates at diagnosis signal persistent gaps in early detection and care access. There are also positive developments to celebrate: A growing number of countries report zero newly detected cases, a sign that local transmission may have ended in those contexts.
“World Leprosy Day 2026 emphasizes that while the disease is medically curable and preventable, true eradication requires more than just clinical treatment. To fully consign leprosy to history, society must move beyond medicine to ensure human rights, dignity, and the total elimination of social stigma.”
Long-standing partnerships, such as WHO’s collaboration with pharmaceutical donors, have ensured the continued global supply of free MDT drugs to patients worldwide. National efforts have contributed to declines in prevalence and incidence in many regions, though challenges remain. These successes illustrate that with coordinated effort—combining public health action, education, and community engagement—leprosy can be further controlled and ultimately eliminated. Despite progress, several substantial challenges remain:
1. Stigma, Discrimination: Stigma continues to be one of the most persistent barriers to addressing leprosy. Many affected individuals avoid seeking treatment for fear of being ostracized. This not only worsens health outcomes but also reinforces societal exclusion.
2. Late Diagnosis: Delays in diagnosis—often due to lack of awareness, poor access to health services, or fear of discrimination—lead to higher rates of disability. This underscores the importance of community outreach and primary health engagement.
3. Health System Gaps: In some regions, health system weaknesses—such as insufficient surveillance, lack of trained personnel, and disruptions in drug supply—continue to undermine control efforts. Supply chain issues, as seen in places like Nigeria where treatment interruptions occurred due to regulatory delays, highlight the vulnerability of global systems.
4. Socioeconomic Inequities: Leprosy remains strongly linked with poverty, marginalization, and inadequate access to health care. Addressing these socioeconomic determinants is essential to sustainable control and eventual elimination.
Every year on the last Sunday of January, the global community observes World Leprosy Day—a dedicated moment to raise awareness about leprosy (also known as Hansen’s disease), combat stigma and discrimination, and reaffirm international commitment toward eliminating the disease worldwide. In 2026, World Leprosy Day falls on 25 January. This observance serves as both a reminder of progress made against this ancient disease and a call to action to address ongoing challenges and inequities that continue to affect millions of people globally. World Leprosy Day was first initiated in 1954 by the French humanitarian and writer Raoul Follereau, who dedicated his life to advocating for people affected by leprosy. Follereau sought to change global perceptions of the disease, highlighting that leprosy was not a curse or divine punishment but a treatable medical condition deserving scientific attention and public. Since its inception, World Leprosy Day has grown from a public awareness initiative into an internationally recognized campaign supported by the World Health Organization (WHO), non-governmental organizations, leprosy survivors, medical professionals, and communities worldwide. Each year highlights specific themes aimed at focusing attention on critical aspects of the disease—whether it is reducing stigma, accelerating early detection, ensuring treatment access, or advocating for human rights and inclusion. The official theme for World Leprosy Day 2026 is:“Leprosy is curable, the real challenge is stigma.” This theme underscores two key truths: (a) Leprosy is a curable infectious disease (b) Effective treatment exists in the form of antibiotics—especially the WHO-recommended multidrug therapy (MDT)—which can cure patients completely when administered early. It is noticed that many affected individuals experience discrimination, social exclusion, loss of employment, disruption of family life, and denial of education and community participation. These consequences often result not from medical facts but from persistent misconceptions and fear surrounding the disease. The theme thus calls on policymakers, health systems, communities, and individuals to challenge discriminatory attitudes and build more inclusive societies to ensure that no one affected by leprosy is left behind. World Leprosy Day carries multiple layers of significance—medical, social, historical, and human rights-based. Here’s why the day remains crucial in 2026:
1. Awareness , Education: World Leprosy Day serves as a platform to educate people about the true nature of leprosy. It clarifies that leprosy is not a curse or punishment. It highlighs the existence of a cure and emphasizing the importance of early diagnosis and treatment.
2. Combating Stigma, Discrimination: The 2026 theme explicitly puts stigma at the center of the narrative, signaling that ending prejudice is as essential as curing the bacterial infection.
3. Strengthening Health, Policies: The day also motivates governments and health authorities to revisit and strengthen leprosy surveillance systems. We must improve access to diagnosis, treatment, and rehabilitation services.In countries like India, continued focus on detection and timely treatment is critical even after achieving national “elimination” as a public health problem—a status defined by low prevalence but not complete eradication.
4. Global Health, Equity: World Leprosy Day aligns with broader global health goals, including the WHO NTD Roadmap 2021–2030, which emphasizes: (a) Elimination of leprosy transmission. (b) Reducing disabilities caused by late detection. (c ) Ending stigma and discrimination. (d) Ensuring equitable access to care for all affected individuals.
The observance also contributes to the United Nations Sustainable Development Goals (SDGs)—especially those related to health (SDG 3), reducing inequalities (SDG 10), and promoting inclusive societies (SDG 16). Today, leprosy is not a relic of the past but a present-day public health challenge with real impacts around the world. It is concluded that World Leprosy Day is more than an annual observance—it is a global commitment to confront an ancient disease with modern tools and human compassion. The 2026 theme—“Leprosy is curable, the real challenge is stigma”—accurately captures where the world stands today: on the brink of eliminating a curable disease medically, yet still grappling with the deeply rooted social barriers that limit progress. The story of leprosy is not solely about bacteria and antibiotics; it is about dignity, inclusion, and equity. It challenges us to look beyond clinical cure to creating societies where individuals affected by leprosy are treated with respect, opportunity, and full human rights. As the world commemorates World Leprosy Day 2026, the message is clear: (i) Leprosy can be cured. (ii) Transmission can be stopped. (iii) But only when stigma is ended will the disease truly be consigned to history.
(The authors write frequently for the opinion pages of “Kashmir Horizon”. The views, opinions and conclusions expressed in this article are those of the author and aren’t necessarily in accord with the views of “Kashmir Horizon”)
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