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Researcher · GGD Amsterdam · Netherlands

Johan S. A. Fennema

Johan S. A. Fennema publishes mostly in Epidemiology, Microbiology and Infectious Diseases, on topics such as Reproductive tract infections research, HIV, Drug Use, Sexual Risk and HIV/AIDS Research and Interventions.

OpenAlex
World rank
#3,321,303
of 7,710,434 ranked researchers
Rank in Netherlands
#66,490
of 107,149
Works
15
Citations
527
Citations per work
35.1
h-index
11
i10-index 11Top 53% in Epidemiology
Johan S. A. Fennema

What does Johan S. A. Fennema research?

Johan S. A. Fennema's work is mostly in Medicine (47%), Immunology and Microbiology (31%), Social Sciences (7%).

Health Sciences: 7 works · 46.6% of their workMedicine: 7 works · 46.6% of their workEpidemiology: 3 works · 22.2% of their workInfectious Diseases: 2 works · 13.3% of their workPhysiology: 2 works · 11.1% of their workLife Sciences: 5 works · 31.1% of their workImmunology and Microbiology: 5 works · 31.1% of their workMicrobiology: 3 works · 22.2% of their workVirology: 1 works · 8.9% of their workEverything else: 2 works · 15.6% of their workSocial Sciences: 1 works · 6.7% of their workSocial Sciences: 1 works · 6.7% of their workSociology and Political Science: 1 works · 6.7% of their workTHEIR WORKJohan S. A.Fennema15works
Life Sciences31%Health Sciences47%Social Sciences7%

Their six largest subfields, inside their fields and domains; the grey slice is everything else they publish. The interactive view splits every one of their works down to single topics.

The fields and subfields, with their numbers
    1. Medicine746.6%
    1. Immunology and Microbiology531.1%
  3. Everything else215.6%
    1. Social Sciences16.7%
  1. 1Epidemiology22% of their works
  2. 2Microbiology22% of their works
  3. 3Infectious Diseases13% of their works
  4. 4Physiology11% of their works
  5. 5Virology9% of their works
  6. 6Sociology and Political Science7% of their works

Research topics

Which keywords describe Johan S. A. Fennema's research?

The keywords of their largest research topics: HIV Transmission, Sexually Transmitted Infections, Vaginal Microbiome, Antiretroviral Therapy, HIV, Epidemiology, drug use and harm reduction.

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. The words come from the keyword list OpenAlex gives each topic, not from the text of the papers, so a word can appear that none of the papers uses.

All 20 words, with their numbers
  1. HIV Transmission152 topics
  2. Sexually Transmitted Infections101 topic
  3. Vaginal Microbiome101 topic
  4. Antiretroviral Therapy92 topics
  5. HIV92 topics
  6. Epidemiology82 topics
  7. Neurosyphilis51 topic
  8. Preexposure Prophylaxis51 topic
  9. Stigma and Discrimination51 topic
  10. Syphilis51 topic
  11. drug use51 topic
  12. harm reduction51 topic
  13. AIDS41 topic
  14. Vaccine41 topic
  15. Cervical Cancer31 topic
  16. Human Papillomavirus31 topic
  17. Sex Work31 topic
  18. Trafficking31 topic
  19. Adolescent Health21 topic
  20. Sexual Behavior21 topic

Where does Johan S. A. Fennema work?

Johan S. A. Fennema's main affiliation in the publication record is GGD Amsterdam, Netherlands.

How many publications and citations does Johan S. A. Fennema have?

OpenAlex counts 15 works and 527 citations for Johan S. A. Fennema, an h-index of 11, ranking #3,321,303 of 7,710,434 researchers worldwide on the quality score.

Ranked on field-normalised citation 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 have tabs of their own, above. Is this your page? Claim it with your ORCID iD, or request a correction or removal.

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