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Research facility · Addis Ababa · Ethiopia

Armauer Hansen Research Institute

In research, Armauer Hansen Research Institute stands highest in Health Sciences (#3,730 of 9,902 worldwide) and Medicine (#4,131 of 8,541 worldwide), 2022-now. Relative to its size it is most specialised in Infectious Diseases and Immunology and Microbiology (Infectious Diseases is 18.6× its share of world research).

ahri.gov.etROR OpenAlex
World rank, 2022-now
#12,418
of 22,385 · #12,260 all time
Rank in Ethiopia
#44
of 55
Research works
504
▲ 99% vs 2018-21
Citations
11k
20.9 per fractional work
Top-10% rate
12.4%
all institutions 10.0%
vs its own fields
1.00×
1.00× is exactly expected
Open access
77%
world 40%
International
49%
world 18%
Armauer Hansen Research Institute

What is Armauer Hansen Research Institute known for in research?

The fields where it stands highest, 2022-now, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorksAll time
Health SciencesDomain #3,730 of 9,902 12.4%99 #3590
MedicineField #4,131 of 8,541 12.1%89 #4053

Each strip is that field's whole ranked pool, with the notch where Armauer Hansen Research Institute sits in it, in the colour of the band that rank falls in. The track under the rate is the rate itself: it carries no average mark, because the average differs by field (from about 6% in Dentistry to 21% in Economics).

Which fields of science does Armauer Hansen Research Institute work in?

In 2022-now, 58% of research at Armauer Hansen Research Institute is in Health Sciences, 32% in Life Sciences. Its largest fields are Medicine (52%), Biochemistry, Genetics and Molecular Biology (12%), Immunology and Microbiology (10%). It does 2.4× the world's share of Health Sciences.

Health Sciences: 123 fractional works · 57.9% of its workMedicine: 110 fractional works · 52.0% of its workInfectious Diseases: 27 fractional works · 12.6% of its workPublic Health, Environmental and Occupational Health: 22 fractional works · 10.2% of its workEpidemiology: 21 fractional works · 9.7% of its workSurgery: 10 fractional works · 4.8% of its workPediatrics, Perinatology and Child Health: 5 fractional works · 2.6% of its workEndocrinology, Diabetes and Metabolism: 3 fractional works · 1.4% of its workOncology: 2 fractional works · 1.1% of its workPhysiology: 2 fractional works · 1.1% of its workHematology: 2 fractional works · 0.9% of its workCritical Care and Intensive Care Medicine: 2 fractional works · 0.8% of its workComplementary and alternative medicine: 1 fractional works · 0.7% of its workPharmacology: 1 fractional works · 0.6% of its workHepatology: 1 fractional works · 0.6% of its workPulmonary and Respiratory Medicine: 1 fractional works · 0.5% of its workCardiology and Cardiovascular Medicine: 1 fractional works · 0.5% of its workEmergency Medicine: 1 fractional works · 0.5% of its workPathology and Forensic Medicine: 1 fractional works · 0.4% of its workPsychiatry and Mental health: 1 fractional works · 0.4% of its workObstetrics and Gynecology: 1 fractional works · 0.3% of its workDermatology: 1 fractional works · 0.3% of its workRehabilitation: 1 fractional works · 0.3% of its workGenetics: 1 fractional works · 0.2% of its workRadiology, Nuclear Medicine and Imaging: 0 fractional works · 0.2% of its workRheumatology: 0 fractional works · 0.2% of its workNeurology: 0 fractional works · 0.2% of its workSmaller subfields together: 2 fractional works · 0.9% of its workHealth Professions: 8 fractional works · 3.8% of its workGeneral Health Professions: 6 fractional works · 2.7% of its workHealth Information Management: 1 fractional works · 0.5% of its workSmaller subfields together: 1 fractional works · 0.6% of its workNursing: 4 fractional works · 1.7% of its workNutrition and Dietetics: 3 fractional works · 1.5% of its workSmaller subfields together: 0 fractional works · 0.1% of its workVeterinary: 1 fractional works · 0.4% of its workSmall Animals: 1 fractional works · 0.4% of its workDentistry: 0 fractional works · 0.1% of its workLife Sciences: 67 fractional works · 31.5% of its workBiochemistry, Genetics and Molecular Biology: 25 fractional works · 11.8% of its workMolecular Biology: 8 fractional works · 3.8% of its workEndocrinology: 6 fractional works · 2.7% of its workMolecular Medicine: 5 fractional works · 2.4% of its workGenetics: 3 fractional works · 1.2% of its workClinical Biochemistry: 1 fractional works · 0.6% of its workCancer Research: 1 fractional works · 0.4% of its workBiotechnology: 1 fractional works · 0.4% of its workBiochemistry: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.1% of its workImmunology and Microbiology: 20 fractional works · 9.5% of its workImmunology: 6 fractional works · 2.9% of its workParasitology: 4 fractional works · 2.1% of its workApplied Microbiology and Biotechnology: 4 fractional works · 1.9% of its workVirology: 3 fractional works · 1.5% of its workMicrobiology: 3 fractional works · 1.2% of its workAgricultural and Biological Sciences: 17 fractional works · 8.2% of its workPlant Science: 8 fractional works · 3.8% of its workFood Science: 6 fractional works · 2.6% of its workAnimal Science and Zoology: 1 fractional works · 0.5% of its workAgronomy and Crop Science: 1 fractional works · 0.5% of its workEcology, Evolution, Behavior and Systematics: 1 fractional works · 0.4% of its workSmaller subfields together: 1 fractional works · 0.5% of its workPharmacology, Toxicology and Pharmaceutics: 3 fractional works · 1.6% of its workPharmacology: 3 fractional works · 1.2% of its workToxicology: 1 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.1% of its workNeuroscience: 1 fractional works · 0.4% of its workPhysical Sciences: 12 fractional works · 5.7% of its workEnvironmental Science: 7 fractional works · 3.1% of its workEcology: 1 fractional works · 0.6% of its workHealth, Toxicology and Mutagenesis: 1 fractional works · 0.5% of its workWater Science and Technology: 1 fractional works · 0.5% of its workPollution: 1 fractional works · 0.4% of its workManagement, Monitoring, Policy and Law: 1 fractional works · 0.4% of its workEcological Modeling: 1 fractional works · 0.3% of its workEnvironmental Engineering: 1 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workComputer Science: 2 fractional works · 1.1% of its workArtificial Intelligence: 1 fractional works · 0.7% of its workComputational Theory and Mathematics: 1 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.2% of its workEngineering: 1 fractional works · 0.4% of its workBiomedical Engineering: 1 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workChemistry: 1 fractional works · 0.3% of its workOrganic Chemistry: 1 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workMathematics: 1 fractional works · 0.3% of its workStatistics and Probability: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.1% of its workMaterials Science: 1 fractional works · 0.2% of its workBiomaterials: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.0% of its workEarth and Planetary Sciences: 0 fractional works · 0.1% of its workSocial Sciences: 10 fractional works · 4.8% of its workSocial Sciences: 5 fractional works · 2.3% of its workHealth: 2 fractional works · 1.0% of its workSociology and Political Science: 1 fractional works · 0.4% of its workTransportation: 1 fractional works · 0.3% of its workSmaller subfields together: 1 fractional works · 0.6% of its workPsychology: 2 fractional works · 0.7% of its workClinical Psychology: 1 fractional works · 0.4% of its workSmaller subfields together: 1 fractional works · 0.3% of its workEconomics, Econometrics and Finance: 2 fractional works · 0.7% of its workEconomics and Econometrics: 1 fractional works · 0.4% of its workFinance: 1 fractional works · 0.3% of its workBusiness, Management and Accounting: 1 fractional works · 0.7% of its workOrganizational Behavior and Human Resource Management: 1 fractional works · 0.4% of its workManagement of Technology and Innovation: 1 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.0% of its workDecision Sciences: 1 fractional works · 0.5% of its workManagement Science and Operations Research: 1 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workALL ITS WORKArmauer HansenResearch…212fractional works, 2022-now
Life Sciences32%Physical Sciences6%Health Sciences58%Social Sciences5%

Each ring splits the one inside it: the four domains of science, their fields, their subfields. Size is fractional works in 2022-now. Every slice is a page; the interactive view zooms down to single topics and colours each by how much more of it this institution does than the world.

Its 4 domains and 22 fields, with their numbers
    1. Medicine11052.0%
    2. Health Professions83.8%
    3. Nursing41.7%
    4. Veterinary10.4%
    5. Dentistry00.1%
    1. Biochemistry, Genetics and Molecular Biology2511.8%
    2. Immunology and Microbiology209.5%
    3. Agricultural and Biological Sciences178.2%
    4. Pharmacology, Toxicology and Pharmaceutics31.6%
    5. Neuroscience10.4%
    1. Environmental Science73.1%
    2. Computer Science21.1%
    3. Engineering10.4%
    4. Chemistry10.3%
    5. Mathematics10.3%
    6. Materials Science10.2%
    7. Earth and Planetary Sciences00.1%
    1. Social Sciences52.3%
    2. Psychology20.7%
    3. Economics, Econometrics and Finance20.7%
    4. Business, Management and Accounting10.7%
    5. Decision Sciences10.5%
All of science, and how each field's share has moved since 1950: the Science domain explorer

What does Armauer Hansen Research Institute specialise in?

Where its research is concentrated relative to its size: Infectious Diseases takes 18.6× the share of its output that it takes of world research.

  1. Infectious DiseasesSubfield · 26.8 works19×
  2. Immunology and MicrobiologyField · 20.2 works9.4×
← less than its size predicts1×more →

Location quotient, a volume reading rather than an impact one. It surfaces small, lopsided specialities.

Field profile

Location quotient across every field it publishes in: outside the ring is more than an institution of this size would be expected to publish, inside it is less.

Agricultural and Biological Sciences: 1.73× its world share, 18 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 2.21× its world share, 25 worksBiochemistry, Geneti…Immunology and Microbiology: 9.45× its world share, 20 worksImmunology and Micro…Neuroscience: 0.25× its world share, 1 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 4.66× its world share, 4 worksPharmacology, Toxico…Chemistry: 0.22× its world share, 1 worksChemistryComputer Science: 0.15× its world share, 2 worksComputer ScienceEarth and Planetary Sciences: 0.06× its world share, 0 worksEarth and Planetary …Engineering: 0.03× its world share, 1 worksEngineeringEnvironmental Science: 0.62× its world share, 7 worksEnvironmental ScienceMaterials Science: 0.07× its world share, 0 worksMaterials ScienceMathematics: 0.29× its world share, 1 worksMathematicsDentistry: 0.13× its world share, 0 worksDentistryHealth Professions: 1.45× its world share, 8 worksHealth ProfessionsMedicine: 2.70× its world share, 110 worksMedicineNursing: 3.37× its world share, 4 worksNursingVeterinary: 3.01× its world share, 1 worksVeterinaryBusiness, Management and Accounting: 0.22× its world share, 2 worksBusiness, Management…Decision Sciences: 0.47× its world share, 1 worksDecision SciencesEconomics, Econometrics and Finance: 0.33× its world share, 2 worksEconomics, Econometr…Psychology: 0.24× its world share, 2 worksPsychologySocial Sciences: 0.18× its world share, 5 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Immunology and Microbiology, 9.4×. Every wedge is a field page.

All 22 fields, with their numbers
  1. Immunology and Microbiology9.45×20 works
  2. Pharmacology, Toxicology and Pharmaceutics4.66×4 works
  3. Nursing3.37×4 works
  4. Veterinary3.01×1 works
  5. Medicine2.70×110 works
  6. Biochemistry, Genetics and Molecular Biology2.21×25 works
  7. Agricultural and Biological Sciences1.73×18 works
  8. Health Professions1.45×8 works
  9. Environmental Science0.62×7 works
  10. Decision Sciences0.47×1 works
  11. Economics, Econometrics and Finance0.33×2 works
  12. Mathematics0.29×1 works
  13. Neuroscience0.25×1 works
  14. Psychology0.24×2 works
  15. Chemistry0.22×1 works
  16. Business, Management and Accounting0.22×2 works
  17. Social Sciences0.18×5 works
  18. Computer Science0.15×2 works
  19. Dentistry0.13×0 works
  20. Materials Science0.07×0 works
  21. Earth and Planetary Sciences0.06×0 works
  22. Engineering0.03×1 works

Who are the top researchers at Armauer Hansen Research Institute?

Ranked on the quality score, Abraham Aseffa, Fitsum Girma Tadesse and Endalamaw Gadisa lead among researchers whose main affiliation is Armauer Hansen Research Institute.

  1. 1 Abraham Aseffa Ethiopia · #229,673 worldwide 20k citations · 575 works
  2. 2 Fitsum Girma Tadesse Ethiopia · #250,828 worldwide 2.2k citations · 79 works
  3. 3 Endalamaw Gadisa Ethiopia · #319,204 worldwide 3.6k citations · 135 works
  4. 4 Rea Tschopp Ethiopia · #394,513 worldwide 3k citations · 121 works
  5. 5 Abebe Genetu Bayih Ethiopia · #557,655 worldwide 2.1k citations · 59 works
  6. 6 Rebuma Firdessa Ethiopia · #622,166 worldwide 1.5k citations · 19 works
  7. 7 Howard D Engers Ethiopia · #654,533 worldwide 5.8k citations · 128 works
  8. 8 Mekonnen Teferi Ethiopia · #743,225 worldwide 1.1k citations · 39 works
  9. 9 Lawrence K Yamuah Ethiopia · #855,925 worldwide 3.5k citations · 65 works
  10. 10 J E Thole Ethiopia · #879,498 worldwide 1.4k citations · 18 works
All ranked researchers at Armauer Hansen Research Institute

What are the most cited papers from Armauer Hansen Research Institute?

The most cited paper from Armauer Hansen Research Institute is "Out-of-Africa migration and Neolithic coexpansion of Mycobacterium tuberculosis with modern humans" (Iñaki Comas et al., 2013), with 1,089 citations. Next come "The Relationship between Leishmaniasis and AIDS: the Second 10 Years" (939) and "A blood RNA signature for tuberculosis disease risk: a prospective cohort study" (831).

Most cited papers
#PaperReleasedCitations
1 Out-of-Africa migration and Neolithic coexpansion of Mycobacterium tuberculosis with modern humans Iñaki Comas et al. · Nature Genetics Open access Sep 2013 1,089
2 The Relationship between Leishmaniasis and AIDS: the Second 10 Years Jorge Alvar, Pilar Aparicio, Abraham Aseffa et al. · Clinical Microbiology Reviews Open access Apr 2008 939
3 A blood RNA signature for tuberculosis disease risk: a prospective cohort study Daniel E. Zak et al. · The Lancet Open access 24 Mar 2016 831
4 Persistence of DNA from Mycobacterium tuberculosis in superficially normal lung tissue during latent infection Rogélio Hernández‐Pando, Mangalakumari Jeyanathan, Getachew Mengistu et al. · The Lancet Dec 2000 416
5 A Trial of a Shorter Regimen for Rifampin-Resistant Tuberculosis Andrew Nunn, Patrick P. J. Phillips, Sarah K Meredith et al. · New England Journal of Medicine Open access 13 Mar 2019 407
All 60 most cited papers, with filters and sorting

Which keywords describe research at Armauer Hansen Research Institute?

By fractional works in 2022-now, weighted toward what it does more of than the world: Epidemiology, Immune Response, Treatment, Diagnosis, Vaccine, Drug Resistance, Antibiotic Resistance and Vaccine Development.

▲ more of its work than of the world's◆ about the world's share▼ less than the world's

Size is fractional works in 2022-now in the topics tagged with each word; colour is the word's share of this institution's work against its share of the world's. The 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. Epidemiology64▲ 7.6×73 topics
  2. Immune Response24▲ 20×16 topics
  3. Treatment23▲ 8.8×17 topics
  4. Diagnosis22▲ 11×22 topics
  5. Vaccine21▲ 25×11 topics
  6. Drug Resistance18▲ 29×6 topics
  7. Public Health16▲ 5.1×29 topics
  8. Antibiotic Resistance15▲ 18×11 topics
  9. Vaccine Development15▲ 27×10 topics
  10. Global Burden12▲ 10×9 topics
  11. Genetic Diversity11▲ 12×8 topics
  12. Pathogenesis10▲ 9.4×17 topics
  13. Host-Pathogen Interaction9▲ 61×2 topics
  14. Mycobacterium tuberculosis9▲ 78×1 topic
  15. Tuberculosis9▲ 82×1 topic
  16. Antiretroviral Therapy8▲ 24×6 topics
  17. Insecticide Resistance8▲ 48×4 topics
  18. Genome Sequence7▲ 39×2 topics
  19. Medicinal Plants7▲ 8.3×11 topics
  20. Antimicrobial Resistance6▲ 15×8 topics
  21. Clinical Practice Guidelines6▲ 5.3×9 topics
  22. Infectious Diseases6▲ 8.8×7 topics
  23. Herbal Medicine6▲ 10×6 topics
  24. Artemisinin Resistance6▲ 85×1 topic
  25. Plasmodium falciparum6▲ 85×1 topic
  26. Global Health6▲ 17×4 topics
  27. Antioxidant6▲ 3.9×22 topics
  28. Immunity5▲ 6.2×6 topics
  29. Anti-inflammatory5▲ 8.6×17 topics
  30. ESKAPE Pathogens5▲ 39×1 topic
  31. Multidrug-Resistant Bacteria5▲ 39×1 topic
  32. Disease Burden4▲ 28×2 topics
  33. Infertility4▲ 15×2 topics
  34. Abdominal Tuberculosis4▲ 102×1 topic
  35. Diagnostic Challenges4▲ 102×1 topic
  36. PCR Diagnosis4▲ 86×2 topics
  37. Helminth Infections4▲ 50×2 topics
  38. Maternal Mortality4▲ 8.9×5 topics
  39. Vector Control4▲ 17×4 topics
  40. Cystic Fibrosis4▲ 27×3 topics

Which research topics does Armauer Hansen Research Institute publish most on?

By volume in 2022-now: Tuberculosis Research and Epidemiology, Malaria Research and Control, Antibiotic Resistance in Bacteria and Diagnosis and treatment of tuberculosis.

Tuberculosis Research an…9Tuberculosis Research and Epidemiology: 9 fractional worksMalaria Research and Control: 6 fractional worksAntibiotic Resistance in…5Antibiotic Resistance in Bacteria: 5 fractional worksDiagnosis and treatment …4Diagnosis and treatment of tuberculosis: 4 fractional worksAntibiotic Use and Resistance: 4 fractional worksGlobal Maternal and Child Health: 4 fractional worksMycobacterium research a…3Mycobacterium research and diagnosis: 3 fractional worksEthnobotanical and Medic…3Ethnobotanical and Medicinal Plants Studies: 3 fractional worksParasites and Host Inter…3Parasites and Host Interactions: 3 fractional worksMosquito-borne diseases …3Mosquito-borne diseases and control: 3 fractional works
Infectious DiseasesPublic Health, Environmental and Occupational HealthMolecular MedicineSurgery5 others

Area is fractional works; colour is the subfield each topic belongs to.

  1. 1 Tuberculosis Research and Epidemiology Infectious Diseases 9 works
  2. 2 Malaria Research and Control Public Health, Environmental and Occupational Health 6 works
  3. 3 Antibiotic Resistance in Bacteria Molecular Medicine 5 works
  4. 4 Diagnosis and treatment of tuberculosis Surgery 4 works
  5. 5 Antibiotic Use and Resistance Applied Microbiology and Biotechnology 4 works
  6. 6 Global Maternal and Child Health Pediatrics, Perinatology and Child Health 4 works
  7. 7 Mycobacterium research and diagnosis Epidemiology 3 works
  8. 8 Ethnobotanical and Medicinal Plants Studies Plant Science 3 works
  9. 9 Parasites and Host Interactions Parasitology 3 works
  10. 10 Mosquito-borne diseases and control Public Health, Environmental and Occupational Health 3 works

How open and international is its research?

Against the world's own shares: the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.

openly available77.4%not open22.6%

World: 40% of research is openly available.

with international co-authors49.0%domestic only51.0%

World: 18% is written across borders.

How has Armauer Hansen Research Institute's research output changed?

Output in 2022-2025 was 99% higher than in 2018-2021.

still counting1990200020102020
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 Armauer Hansen Research Institute as a percentage of every work published that year, 0.00082% in 2024.

still counting0.0010%0.0020%Armauer Hansen Research Institute0.00084% in 202519801990200020102020

Fractional works of Armauer Hansen Research Institute 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, against all institutions in the same year.

still counting10%20%all institutions10.0% in 2025Armauer Hansen Research Institute8.0% in 2025

Of each year's output, the share that reached the world's 10% most cited for its field and year. Peak 17.0% in 2021.

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