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Subfield · Immunology and Microbiology

Parasitology research

Parasitology is a subfield of Immunology and Microbiology. Science Explorer counts 154k research works in it since 1950. 17.0% of them reached the world's top 10% most cited for their field and year.

In short: branch of biology that studies parasites, their hosts, and the relationship between them.

Research works
154k
fractional, since 1950
In the world top 10%
26k
per year above
Top-10% rate
17.0%
share of its works in the world top 10%
Topics
7
Growth, 2013–17 → 2018–22
+13%
the tick is no change

What is Parasitology research about, and what is growing?

By the world's output in 2019–23, its most used keywords are Epidemiology, Public Health, Host-Pathogen Interactions, Zoonotic Transmission, Helminth Infections, Schistosomiasis. Gaining share since 2009–13: Leptospira, Zoonotic Disease.

▲ gaining share of this field◆ holding its share▼ losing share

Size is the world's fractional works in 2019–23 in the topics tagged with each word; colour compares the word's share of this field with 2009–13. Each links to the topic it comes from most.

All 19 words, with their numbers
  1. Epidemiology19k◆ 1.01×5 topics
  2. Public Health12k◆ 1.00×2 topics
  3. Host-Pathogen Interactions10k◆ 1.01×2 topics
  4. Zoonotic Transmission8,929◆ 0.90×2 topics
  5. Helminth Infections7,333◆ 1.01×1 topic
  6. Schistosomiasis7,333◆ 1.01×1 topic
  7. Lyme Disease6,553◆ 1.10×1 topic
  8. Tick-Borne Diseases6,553◆ 1.10×1 topic
  9. Diagnosis6,217◆ 1.02×2 topics
  10. Cryptosporidium5,153◆ 0.91×1 topic
  11. Giardia5,153◆ 0.91×1 topic
  12. Neosporosis3,776◆ 0.89×1 topic
  13. Toxoplasma gondii3,776◆ 0.89×1 topic
  14. Leptospira2,441▲ 1.29×1 topic
  15. Zoonotic Disease2,441▲ 1.29×1 topic
  16. Avian Malaria2,421◆ 0.90×1 topic
  17. Haemosporidian Parasites2,421◆ 0.90×1 topic
  18. Bartonella1,336◆ 1.05×1 topic
  19. Infections1,336◆ 1.05×1 topic

Which countries lead Parasitology research?

On research quality in 2022–2025, the United States, China and the United Kingdom rank highest in Parasitology. By volume, the United States and China publish the most (3.3k and 2.1k works in 2022–2025).

By research quality, 2022–2025

  1. 1 United States · #1 all time 17.5% top 10% · 3.3k works
  2. 2 China · #5 all time 20.5% top 10% · 2.1k works
  3. 3 United Kingdom · #2 all time 25.8% top 10% · 684 works
  4. 4 France · #3 all time 22.1% top 10% · 706 works
  5. 5 Brazil · #7 all time 9.2% top 10% · 1.9k works
  6. 6 Germany · #6 all time 20.0% top 10% · 585 works
  7. 7 Australia · #4 all time 23.3% top 10% · 398 works
  8. 8 Spain · #12 all time 19.4% top 10% · 557 works
  9. 9 India · #13 all time 7.7% top 10% · 1.4k works
  10. 10 Italy · #11 all time 20.0% top 10% · 396 works

The track on each row is that row’s top-10% rate. The ranking itself is the composite score, which the rate is only one part of.

Of 28 countries ranked in Parasitology. Composite of field-normalised excellence (50%), output (30%) and citations (20%); the bracket is the all-time rank.

All countries ranked in Parasitology

By volume, 2022–2025

  1. 1 United States 3.3k works
  2. 2 China 2.1k works
  3. 3 Brazil 1.9k works
  4. 4 India 1.4k works
  5. 5 France 706 works
  6. 6 United Kingdom 684 works
  7. 7 Iran 602 works
  8. 8 Germany 585 works
  9. 9 Spain 557 works
  10. 10 Türkiye 510 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.

United States: 26.7%China: 17.1%Brazil: 15.6%India: 11.3%6 others listed: 29.3%27%largest
United States3,322 · 26.7%China2,127 · 17.1%Brazil1,935 · 15.6%India1,401 · 11.3%6 others listed3,643 · 29.3%

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

Which institutions lead Parasitology research?

Fundação Oswaldo Cruz (Brazil) ranks first in Parasitology on research quality in 2022–2025, followed by Universidade de São Paulo and Universidade Federal de Minas Gerais.

By research quality, 2022–2025

  1. 1 Fundação Oswaldo Cruz Brazil · Rio de Janeiro · #16 all time 13.9% top 10% · 121 works
  2. 2 Universidade de São Paulo Brazil · São Paulo · #17 all time 15.9% top 10% · 82 works
  3. 3 Universidade Federal de Minas Gerais Brazil · Belo Horizonte · #53 all time 14.8% top 10% · 71 works
  4. 4 Universidade Estadual Paulista (Unesp) Brazil · São Paulo · #89 all time 13.9% top 10% · 78 works

The track on each row is that row’s top-10% rate. The ranking itself is the composite score, which the rate is only one part of.

Of 4 institutions above the floor of 40 fractional works in Parasitology.

Top 100 Parasitology institutions

By volume, 2022–2025

  1. 1 Fundação Oswaldo Cruz Brazil 121 works
  2. 2 Universidade de São Paulo Brazil 83 works
  3. 3 Universidade Estadual Paulista (Unesp) Brazil 78 works
  4. 4 Universidade Federal de Minas Gerais Brazil 71 works
  5. 5 Universidad Nacional Autónoma de México Mexico 58 works
  6. 6 Cairo University Egypt 56 works
  7. 7 University of Al-Qadisiyah Iraq 54 works
  8. 8 University of Baghdad Iraq 49 works
  9. 9 National Institute for Parasitic Diseases China 47 works
  10. 10 University of Mosul Iraq 47 works

Who are the leading researchers in Parasitology?

Among the most productive authors in Parasitology, Peter J. Hotez, John F. Anderson and Jack S. Remington rank highest on the composite score.

  1. 1 Peter J. Hotez United States · #152 worldwide 5.1k citations · 122 works
  2. 2 John F. Anderson United States · #928 worldwide 2.6k citations · 101 works
  3. 3 Jack S. Remington United States · #1,756 worldwide 1.2k citations · 92 works
  4. 4 J. Helen Cross United Kingdom · #2,640 worldwide 1.5k citations · 162 works
  5. 5 Hans‐Joachim Werner Germany · #3,075 worldwide 1.8k citations · 110 works
  6. 6 Richard L. Guerrant United States · #3,275 worldwide 1.5k citations · 72 works
  7. 7 Myoung‐don Oh South Korea · #3,752 worldwide 1.3k citations · 67 works
  8. 8 Quique Bassat Spain · #4,201 worldwide 2.1k citations · 62 works
  9. 9 Andrew T. Campbell United States · #4,342 worldwide 1.3k citations · 113 works
  10. 10 Jan Hendrik Richardus Netherlands · #4,375 worldwide 1.2k citations · 65 works

Re-ranked on the composite score from the 3,601 highest-output authors in Parasitology. Identities come from OpenAlex author disambiguation, which occasionally merges or splits people.

Top 100 Parasitology researchers

Where is Parasitology research done?

The largest centres of Parasitology research in 2022–2025 are São Paulo (Brazil), Beijing (China), Paris (France) and Rio de Janeiro (Brazil). Among places with at least 20 works in it, it is an unusually large share of all research in Obihiro, Maisons-Alfort and Kalpatta.

Largest cities, 2022–2025

  1. 1 São Paulo Brazil 366 works
  2. 2 Beijing China 286 works
  3. 3 Paris France 236 works
  4. 4 Rio de Janeiro Brazil 219 works
  5. 5 London United Kingdom 190 works
  6. 6 Tehran Iran 173 works
  7. 7 Madrid Spain 158 works
  8. 8 Bangkok Thailand 155 works
  9. 9 Mexico City Mexico 139 works
  10. 10 Shanghai China 139 works

Where it is the local speciality

  1. ObihiroJP · 25.0 works50×
  2. Maisons-AlfortFR · 40.3 works41×
  3. KalpattaIN · 28.3 works28×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Parasitology than the world average.

See Parasitology on the map

Parasitology research by country

The best places for Parasitology research inside each country, with that country's researchers and world standing.

Where is the best place to study Parasitology?

Among universities, judged by research, Ross University School of Veterinary Medicine, London School of Hygiene & Tropical Medicine and University of Veterinary Medicine 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%20%40%mean 21.45%fractional works in this node (log) →share in the world top 10% →Ross University School of Veterinary Medicine: 12, 29.9%London School of Hygiene & Tropical Medicine: 35, 34.2%University of Veterinary Medicine: 24, 10.4%Lala Lajpat Rai University of Veterinary and Animal Sciences: 18, 18.9%University of Health and Allied Sciences: 12, 30.8%University of Al-Qadisiyah: 54, 0.6%University of Veterinary Medicine Vienna: 25, 24.3%University of Gondar: 31, 24.7%École Nationale Vétérinaire d'Alfort: 22, 17.9%Walailak University: 11, 22.8%London School of Hyg…Ross University Scho…Lala Lajpat Rai Univ…University of Veteri…
above the meannear itbelow it

One dot per university in the table below. The upper left is the interesting corner: small places doing unusually strong work.

#UniversityScoreTop 10%SpecialisationWorksGrowth
1Ross University School of Veterinary Medicine Saint Kitts and Nevis 67.329.9%63.4×12 +247.4%
2London School of Hygiene & Tropical Medicine United Kingdom 65.734.2%10.8×35 -9.7%
3University of Veterinary Medicine Hungary 56.110.4%18.9×24 +186.8%
4Lala Lajpat Rai University of Veterinary and Animal Sciences India 55.718.9%37.5×18 +838.1%
5University of Health and Allied Sciences Ghana 55.630.8%15.9×12 —
6University of Al-Qadisiyah Iraq 55.20.6%16.2×54 +748.3%
7University of Veterinary Medicine Vienna Austria 55.024.3%21.3×25 +0.2%
8University of Gondar Ethiopia 54.624.7%9.7×31 +52.0%
9École Nationale Vétérinaire d'Alfort France 54.417.9%62.6×22 +113.0%
10Walailak University Thailand 53.322.8%7.9×11 +419.5%

Universities only. Score blends excellence (30%), specialisation (25%), size (20%), growth (15%) and international reach (10%), 2015–2022; growth compares 2010–14 with 2015–19.

Is Parasitology research growing?

Output in 2018–2022 was 13% higher than in 2013–2017, peaking in 2025. The fastest-growing topics are Leptospirosis research and findings, Parasites and Host Interactions and Vector-borne infectious diseases.

19801990200020102020
grewheldshrank

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

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.

  1. Leptospirosis research and findings+99%
  2. Parasites and Host Interactions+79%
  3. Vector-borne infectious diseases+64%
  4. Bartonella species infections research+48%
  5. Toxoplasma gondii Research Studies+40%
  6. Bird parasitology and diseases+37%
← shrinkingno changegrowing →

Growth in output from 2005–09 to 2015–19. Every topic is a page of its own.

What does Parasitology include?

Parasites and Host Inter…38kParasites and Host Interactions: 38k fractional worksVector-borne infectious …33kVector-borne infectious diseases: 33k fractional worksParasitic Infections and Diagnostics: 31k fractional worksToxoplasma gondii Resear…21kToxoplasma gondii Research Studies: 21k fractional worksBird parasitology and di…15kBird parasitology and diseases: 15k fractional worksLeptospirosis research and findings: 11k fractional worksBartonella species infections research: 6,957 fractional works

Area is fractional works in that topic. Every name below is a page of its own.