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Topic · Infectious Diseases

Leprosy Research and Treatment

Leprosy Research and Treatment is a research topic within Infectious Diseases. Science Explorer counts 11k research works in it since 1950. 10.2% of them reached the world's top 10% most cited for their field and year.

This cluster of papers encompasses a wide range of topics related to leprosy, including genetics, immune response, stigma, epidemiology, neuropathy, diagnosis, treatment, and public health challenges. The papers highlight the complexity of understanding and addressing leprosy as a disease.

  • Leprosy
  • Mycobacterium leprae
  • Genetics
  • Immune Response
  • Stigma
  • Epidemiology
  • Neuropathy
  • Diagnosis
  • Treatment
  • Public Health
Research works
11k
fractional, since 1950
In the world top 10%
1.1k
per year above
Top-10% rate
10.2%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
+13%
the tick is no change
Largest producer
Brazil
42% of the 10 largest, 2022-now
Leprosy Research and Treatment

This ranks research output and citation impact. It says nothing about the quality of diagnosis, treatment or care.

Which countries lead Leprosy Research and Treatment research?

By volume, Brazil and India publish the most (716 and 331 works in 2022-now).

By volume, 2022-now

  1. 1 Brazil 716 works
  2. 2 India 331 works
  3. 3 Indonesia 202 works
  4. 4 United States 190 works
  5. 5 China 67 works
  6. 6 United Kingdom 61 works
  7. 7 France 38 works
  8. 8 Japan 29 works
  9. 9 Germany 28 works
  10. 10 Netherlands 25 works

How concentrated that is

The same countries as shares of everything the list above accounts for. A node where two countries do two thirds of the work and one spread evenly across twelve read alike as a ranking and not at all alike here.

Brazil: 42.4%India: 19.6%Indonesia: 12.0%United States: 11.2%6 others listed: 14.7%42%largest
Brazil716 · 42.4%India331 · 19.6%Indonesia202 · 12.0%United States190 · 11.2%6 others listed248 · 14.7%

Shares of the rows listed above, not of the whole node.

Which institutions lead Leprosy Research and Treatment research?

By volume in 2022-now, All India Institute of Medical Sciences publishes the most Leprosy Research and Treatment research, followed by Universidade do Estado do Pará and Universidade de São Paulo.

By volume, 2022-now

  1. 1 All India Institute of Medical SciencesIndia 36 works
  2. 2 Universidade do Estado do ParáBrazil 26 works
  3. 3 Universidade de São PauloBrazil 24 works
  4. 4 Fundação Oswaldo CruzBrazil 24 works
  5. 5 Airlangga UniversityIndonesia 22 works
  6. 6 Universidade Federal do MaranhãoBrazil 20 works
  7. 7 Udayana UniversityIndonesia 19 works
  8. 8 Universidade Federal do ParáBrazil 16 works
  9. 9 Universidade Federal de Mato GrossoBrazil 14 works
  10. 10 Post Graduate Institute of Medical Education and ResearchIndia 14 works

Who are the leading researchers in Leprosy Research and Treatment?

The most-cited researchers publishing on Leprosy Research and Treatment include Didier Raoult, Till Bärnighausen and Jonathan A C Sterne.

  1. 1 Didier Raoult France 232k citations
  2. 2 Till Bärnighausen Germany 189k citations
  3. 3 Jonathan A C Sterne United Kingdom 188k citations

Ranked by citations received across their whole record, among researchers with at least three works on this topic.

What are the most cited papers in Leprosy Research and Treatment?

The most cited paper in Leprosy Research and Treatment is "Massive gene decay in the leprosy bacillus" (Stewart Thomas Cole et al., 2001), with 1,799 citations. Next come "POLYMORPHIC HYDROXYLATION OF DEBRISOQUINE IN MAN" (1,189) and "CONTROLLED TRIAL OF PREDNISOLONE IN ACUTE POLYNEUROPATHY" (1,137).

Most cited papers
#PaperReleasedCitations
1 Massive gene decay in the leprosy bacillus Stewart Thomas Cole et al. · Nature Open access Feb 2001 1,799
2 POLYMORPHIC HYDROXYLATION OF DEBRISOQUINE IN MAN Abdulrahman Mahgoub, L. Graham Dring, Jeffrey R. Idle et al. · The Lancet Sep 1977 1,189
3 CONTROLLED TRIAL OF PREDNISOLONE IN ACUTE POLYNEUROPATHY Richard AC Hughes, John Newsom–Davis, G D Perkin et al. · The Lancet Oct 1978 1,137
4 Defining Protective Responses to Pathogens: Cytokine Profiles in Leprosy Lesions Masahiro Yamamura, Koichi Uyemura, Robert Deans et al. · Science 11 Oct 1991 1,130
5 Genomewide Association Study of Leprosy Furen Zhang et al. · New England Journal of Medicine Open access 17 Dec 2009 1,056
All 99 most cited papers, with filters and sorting

Where is Leprosy Research and Treatment research done?

The largest centres of Leprosy Research and Treatment research in 2022-now are São Paulo (Brazil), Rio de Janeiro (Brazil), Belém (Brazil) and São Luís (Brazil). Among places with at least 20 works in it, it is an unusually large share of all research in São Luís, Belém and Teresina.

Largest cities, 2022-now

  1. 1 São PauloBrazil 100 works
  2. 2 Rio de JaneiroBrazil 64 works
  3. 3 BelémBrazil 51 works
  4. 4 São LuísBrazil 35 works
  5. 5 New DelhiIndia 33 works
  6. 6 Belo HorizonteBrazil 30 works
  7. 7 LondonUnited Kingdom 30 works
  8. 8 SurabayaIndonesia 29 works
  9. 9 RecifeBrazil 26 works
  10. 10 BrasíliaBrazil 23 works

Where it is the local speciality

  1. São LuísBR · 35.1 works47×
  2. BelémBR · 51.3 works33×
  3. TeresinaBR · 20.0 works31×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Leprosy Research and Treatment than the world average.

See Leprosy Research and Treatment on the map

Where is the best place to study Leprosy Research and Treatment?

Among universities, judged by research, Universidade de São Paulo, London School of Hygiene & Tropical Medicine and Universidade Federal de Uberlândia score highest, combining excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.

0%10%20%mean 15.1%fractional works in this field (log) →share of work in the world top 10% →Universidade de São …Universidade Federal…London School of Hyg…All India Institute …
above the meannear itbelow it

One dot per university in the first ten of the table below, at the default weights. The upper left is the interesting corner: small places doing unusually strong work.

Excellenceshare of its work in the world top 10%, 2022-now and all time averaged
40%
Specialisationhow much of its work is in this field, counted up to 10× the world share
10%
Sizeits output in this field, on a log scale
30%
Growthoutput growth, counted from -20% to +20%
10%
Internationalshare of its work with a co-author abroad
10%
Each slider sets a weight; the share it gets of the score is beside it.
#UniversityScoreTop 10%SpecialisationWorksGrowth
1Universidade de São PauloBrazil 71.523.0%6.5×24 +22.0%
2London School of Hygiene & Tropical MedicineUnited Kingdom 65.819.8%28.6×8 +65.0%
3Universidade Federal de UberlândiaBrazil 63.320.8%17.7×9 +33.6%
4All India Institute of Medical SciencesIndia 62.06.4%17.7×36 +62.6%
5Post Graduate Institute of Medical Education and ResearchIndia 56.620.7%23.0×14 +21.8%
6Universidade Federal do ParáBrazil 54.322.6%21.9×16 -22.5%
7Universidade Federal do MaranhãoBrazil 50.05.5%52.2×20 +60.9%
8Universidade Federal de Minas GeraisBrazil 47.918.3%8.2×11 -5.4%
9Universidade do Estado do ParáBrazil 45.95.1%109.8×26 -6.3%
10Universidade de BrasíliaBrazil 43.68.8%9.4×10 +40.3%

Universities only. The score blends excellence (40%), size (30%), specialisation (10%), growth (10%), international reach (10%), 2022-now; growth compares 2018-21 with 2022-25 and counts up to +20%, since a jump from a small base is mostly noise.

Every institution in Leprosy Research and Treatment, country by country

Is Leprosy Research and Treatment research growing?

Output in 2022-2025 was 13% higher than in 2018-2021, peaking in 2023. The fastest-growing topics are Leprosy Research and Treatment.

still counting19801990200020102020
grewheldshrank

The same series as a ribbon: one cell per year, darker for more. The line above answers how much; this answers when.

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is Leprosy Research and Treatment as a percentage of every work published that year, 0.0095% in 2024.

still counting0.010%0.020%0.030%Leprosy Research and Treatment0.0075% in 202519801990200020102020

Fractional works of Leprosy Research and Treatment over all fractional works that year. How the balance of science has shifted.

How much of it reaches the world top 10%

Year by year.

still counting5%10%15%Leprosy Research and Treatment10.8% in 2025200020102020

Of each year's works in it, the share that reached the world's 10% most cited for their field and year. A field is the world for its own topics, so there is no other line to hold it against.

Which topics inside it are moving

Growth and decline on one axis around a shared zero. Two lists side by side hide the thing that matters: whether the growth dwarfs the decline, or the other way round.

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