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Researcher · Sykehuset i Vestfold · Norway

Asgeir Johannessen

Asgeir Johannessen publishes mostly in Epidemiology, Hepatology and Infectious Diseases, on topics such as Hepatitis B Virus Studies, Hepatitis C virus research and Viral Infections and Outbreaks Research.

ORCID 0000-0001-5966-7166 OpenAlex
World rank
#508,240
of 1,633,909 ranked researchers
Rank in Norway
#2,442
of 6,482
Works
19
Citations
46
Citations per work
2.4

What does Asgeir Johannessen research?

Epidemiology: 33.3%Hepatology: 23.8%Infectious Diseases: 19.0%Health: 9.5%other fields: 14.4%33%top field
Epidemiology33.3%Hepatology23.8%Infectious Diseases19.0%Health9.5%other fields14.4%

Shares of their own output, by the field each of their topics belongs to. The grey slice is everything not listed.

  1. 1Epidemiology33% of their works
  2. 2Hepatology24% of their works
  3. 3Infectious Diseases19% of their works
  4. 4Health10% of their works
  5. 5Molecular Biology5% of their works
  6. 6Finance5% of their works

Research topics

Which keywords describe Asgeir Johannessen's research?

The keywords of their largest research topics: Immune Response, Antiviral Therapy, Liver Disease, Hepatocellular Carcinoma, Chronic Hepatitis B, Hepatitis B Virus, Epidemiology and Hepatitis C Virus.

Size is their works in the topics tagged with each word, from their 8 largest topics. Each links to the topic it comes from most.

All 22 words, with their numbers
  1. Immune Response123 topics
  2. Antiviral Therapy102 topics
  3. Liver Disease102 topics
  4. Hepatocellular Carcinoma72 topics
  5. Chronic Hepatitis B61 topic
  6. Hepatitis B Virus61 topic
  7. Epidemiology52 topics
  8. Hepatitis C Virus41 topic
  9. Treatment41 topic
  10. Vaccine43 topics
  11. COVID-19 Vaccine21 topic
  12. Ebola Virus21 topic
  13. Outbreak21 topic
  14. Vaccine Hesitancy21 topic
  15. Chaperone11 topic
  16. Coronavirus11 topic
  17. Hepatitis E Virus11 topic
  18. NAFLD11 topic
  19. NASH11 topic
  20. SARS-CoV-211 topic
  21. Sigma-1 Receptor11 topic
  22. Zoonotic Transmission11 topic

Where does Asgeir Johannessen work?

Asgeir Johannessen's main affiliation in the publication record is Sykehuset i Vestfold, Norway.

How many publications and citations does Asgeir Johannessen have?

Science Explorer counts 19 works and 46 citations for Asgeir Johannessen, ranking #508,240 of 1,633,909 researchers worldwide on the composite score.

Ranked on field-normalised excellence (50%), output (30%) and citations (20%). Counts come from OpenAlex author records, which occasionally merge different people who share a name or split one person into several.

Papers, co-authors, who cited this work and researchers on the nearest topics are in the interactive view on the map. Is this your page? Request a correction or removal.