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Topic · Parasitology

Parasites and Host Interactions

Parasites and Host Interactions is a research topic within Parasitology. Science Explorer counts 38k research works in it since 1950. 9.9% of them reached the world's top 10% most cited for their field and year.

This cluster of papers focuses on the global impact, epidemiology, control strategies, and immune responses related to helminth infections, with a specific emphasis on schistosomiasis and soil-transmitted helminths. The papers cover topics such as disease burden, neglected tropical diseases, immunomodulation by parasites, and the use of praziquantel for treatment.

  • Helminth Infections
  • Schistosomiasis
  • Soil-Transmitted Helminths
  • Neglected Tropical Diseases
  • Immunomodulation
  • Parasite Control
  • Disease Burden
  • Praziquantel
  • Immune Regulation
  • Global Epidemiology
Research works
38k
fractional, since 1950
In the world top 10%
3.7k
per year above
Top-10% rate
9.9%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
-1%
the tick is no change
Largest producer
United States
21% of the 10 largest, 2022-now
Parasites and Host Interactions

Which countries lead Parasites and Host Interactions research?

By volume, the United States and Brazil publish the most (766 and 564 works in 2022-now).

By volume, 2022-now

  1. 1 United States 766 works
  2. 2 Brazil 564 works
  3. 3 China 560 works
  4. 4 India 435 works
  5. 5 United Kingdom 309 works
  6. 6 Nigeria 262 works
  7. 7 Ethiopia 219 works
  8. 8 Germany 178 works
  9. 9 France 175 works
  10. 10 Spain 168 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: 21.1%Brazil: 15.5%China: 15.4%India: 12.0%6 others listed: 36.0%21%largest
United States766 · 21.1%Brazil564 · 15.5%China560 · 15.4%India435 · 12.0%6 others listed1,310 · 36.0%

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

Which institutions lead Parasites and Host Interactions research?

By volume in 2022-now, Fundação Oswaldo Cruz publishes the most Parasites and Host Interactions research, followed by Ministry of Agriculture and Rural Affairs and Russian Academy of Sciences.

By volume, 2022-now

  1. 1 Fundação Oswaldo CruzBrazil 63 works
  2. 2 Ministry of Agriculture and Rural AffairsChina 40 works
  3. 3 Russian Academy of SciencesRussia 38 works
  4. 4 University of OxfordUnited Kingdom 36 works
  5. 5 Centre National de la Recherche ScientifiqueFrance 34 works
  6. 6 University of GhanaGhana 33 works
  7. 7 Universidade Federal de Minas GeraisBrazil 30 works
  8. 8 London School of Hygiene & Tropical MedicineUnited Kingdom 29 works
  9. 9 University of GondarEthiopia 27 works
  10. 10 Indian Council of Medical ResearchIndia 26 works

Who are the leading researchers in Parasites and Host Interactions?

The most-cited researchers publishing on Parasites and Host Interactions include Christopher J L Murray, Simon Iain Hay and Zulfiqar Ahmed Bhutta.

  1. 1 Christopher J L Murray United States 583k citations
  2. 2 Simon Iain Hay United States 452k citations
  3. 3 Zulfiqar Ahmed Bhutta Pakistan 371k citations
  4. 4 Shizuo Akira Japan 342k citations
  5. 5 Jun Wang China 340k citations
  6. 6 Mohsen Naghavi United States 275k 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 Parasites and Host Interactions?

The most cited paper in Parasites and Host Interactions is "A human homologue of the Drosophila Toll protein signals activation of adaptive immunity" (Ruslan M. Medzhitov, Paula Preston‐Hurlburt, Charles A. Janeway, 1997), with 5,620 citations. Next come "Leishmaniasis Worldwide and Global Estimates of Its Incidence" (5,260) and "Alternative Activation of Macrophages: An Immunologic Functional Perspective" (2,768).

Most cited papers
#PaperReleasedCitations
1 A human homologue of the Drosophila Toll protein signals activation of adaptive immunity Ruslan M. Medzhitov, Paula Preston‐Hurlburt, Charles A. Janeway · Nature 24 Jul 1997 5,620
2 Leishmaniasis Worldwide and Global Estimates of Its Incidence Jorge Alvar, Iván Darío Vélez, Caryn Bern et al. · PLoS ONE Open access 31 May 2012 5,260
3 Alternative Activation of Macrophages: An Immunologic Functional Perspective Fernando O. Martínez, Laura Helming, Siamon Gordon · Annual Review of Immunology Review 23 Dec 2008 2,768
4 The global distribution of clinical episodes of Plasmodium falciparum malaria Robert William Snow, Carlos A. Guerra, Abdisalan Mohamed Noor et al. · Nature Open access Mar 2005 2,751
5 Soil-transmitted helminth infections: ascariasis, trichuriasis, and hookworm Jeffrey Michael Bethony, SIMON J. BROOKER, Marco Albonico et al. · The Lancet May 2006 2,542
All 99 most cited papers, with filters and sorting

Where is Parasites and Host Interactions research done?

The largest centres of Parasites and Host Interactions research in 2022-now are London (United Kingdom), Rio de Janeiro (Brazil), São Paulo (Brazil) and Shanghai (China). Among places with at least 20 works in it, it is an unusually large share of all research in Gonder.

Largest cities, 2022-now

  1. 1 LondonUnited Kingdom 105 works
  2. 2 Rio de JaneiroBrazil 95 works
  3. 3 São PauloBrazil 82 works
  4. 4 ShanghaiChina 80 works
  5. 5 ParisFrance 61 works
  6. 6 BangkokThailand 56 works
  7. 7 Addis AbabaEthiopia 54 works
  8. 8 New DelhiIndia 51 works
  9. 9 NairobiKenya 49 works
  10. 10 BeijingChina 48 works

Where it is the local speciality

  1. GonderET · 27.1 works28×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Parasites and Host Interactions than the world average.

See Parasites and Host Interactions on the map

Where is the best place to study Parasites and Host Interactions?

Among universities, judged by research, University of Oxford, London School of Hygiene & Tropical Medicine and University of Ghana 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 18.63%fractional works in this field (log) →share of work in the world top 10% →University of GondarUniversity of OxfordLondon School of Hyg…University of Ghana
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
1University of OxfordUnited Kingdom 69.417.6%4.4×36 +9.6%
2London School of Hygiene & Tropical MedicineUnited Kingdom 65.417.1%31.3×29 -10.9%
3University of GhanaGhana 62.810.6%22.3×33 +49.3%
4University of GondarEthiopia 59.719.0%31.6×27 +3.2%
5Zhengzhou UniversityChina 58.540.8%2.2×16 -17.3%
6Addis Ababa UniversityEthiopia 57.516.2%16.5×23 +24.3%
7University of BaselSwitzerland 53.319.4%9.1×20 -23.9%
8Mahidol UniversityThailand 53.010.8%8.5×24 +50.1%
9University of Health and Allied SciencesGhana 50.821.9%51.7×11 +39.6%
10Justus-Liebig-Universität GießenGermany 50.012.9%15.2×19 +21.8%

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 Parasites and Host Interactions, country by country

Is Parasites and Host Interactions research growing?

Output in 2022-2025 was 1% lower than in 2018-2021, peaking in 2025.

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 Parasites and Host Interactions as a percentage of every work published that year, 0.025% in 2024.

still counting0.020%0.040%0.060%Parasites and Host Interactions0.029% in 202519801990200020102020

Fractional works of Parasites and Host Interactions 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%Parasites and Host Interactions10.2% 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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