{"id":"https://openalex.org/A5033560948","orcid":null,"observed_orcids":[],"display_name":"Fredrika Hellgren","raw_author_names":["Fredrika Hellgren","Hellgren, Fredrika"],"full_name":"Hellgren, Fredrika","works_count":30,"cited_by_count":674,"summary_stats":{"2yr_mean_citedness":5.666666666666667,"h_index":11,"i10_index":11},"ids":{"openalex":"https://openalex.org/A5033560948","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I1335113835","ror":"https://ror.org/00m8d6786","display_name":"Karolinska University Hospital","country_code":"SE","type":"healthcare","lineage":["https://openalex.org/I1335113835"]},"years":[2026,2025,2024,2023,2022,2021,2020]},{"institution":{"id":"https://openalex.org/I2800139495","ror":"https://ror.org/04ev03g22","display_name":"Science for Life Laboratory","country_code":"SE","type":"facility","lineage":["https://openalex.org/I2800139495"]},"years":[2024]},{"institution":{"id":"https://openalex.org/I28166907","ror":"https://ror.org/056d84691","display_name":"Karolinska Institutet","country_code":"SE","type":"education","lineage":["https://openalex.org/I28166907"]},"years":[2026,2025,2024,2023,2022,2021,2020,2019,2017]},{"institution":{"id":"https://openalex.org/I4387154792","ror":"https://ror.org/00enajs79","display_name":"National Bioinformatics Infrastructure Sweden","country_code":"SE","type":"other","lineage":["https://openalex.org/I123387679","https://openalex.org/I4387153960","https://openalex.org/I4387154792"]},"years":[2024]}],"last_known_institutions":[{"id":"https://openalex.org/I1335113835","ror":"https://ror.org/00m8d6786","display_name":"Karolinska University Hospital","country_code":"SE","type":"healthcare","lineage":["https://openalex.org/I1335113835"]},{"id":"https://openalex.org/I28166907","ror":"https://ror.org/056d84691","display_name":"Karolinska Institutet","country_code":"SE","type":"education","lineage":["https://openalex.org/I28166907"]}],"topics":[{"id":"https://openalex.org/T10118","display_name":"SARS-CoV-2 and COVID-19 Research","count":19,"subfield":{"id":"https://openalex.org/subfields/2725","display_name":"Infectious Diseases"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T13410","display_name":"Immune responses and vaccinations","count":19,"subfield":{"id":"https://openalex.org/subfields/2403","display_name":"Immunology"},"field":{"id":"https://openalex.org/fields/24","display_name":"Immunology and Microbiology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10031","display_name":"T-cell and B-cell Immunology","count":10,"subfield":{"id":"https://openalex.org/subfields/2403","display_name":"Immunology"},"field":{"id":"https://openalex.org/fields/24","display_name":"Immunology and Microbiology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10580","display_name":"Immunotherapy and Immune Responses","count":10,"subfield":{"id":"https://openalex.org/subfields/2403","display_name":"Immunology"},"field":{"id":"https://openalex.org/fields/24","display_name":"Immunology and Microbiology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T11020","display_name":"Immune Cell Function and Interaction","count":4,"subfield":{"id":"https://openalex.org/subfields/2403","display_name":"Immunology"},"field":{"id":"https://openalex.org/fields/24","display_name":"Immunology and Microbiology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"topic_share":[{"id":"https://openalex.org/T13410","display_name":"Immune responses and vaccinations","value":0.0001614,"subfield":{"id":"https://openalex.org/subfields/2403","display_name":"Immunology"},"field":{"id":"https://openalex.org/fields/24","display_name":"Immunology and Microbiology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T11780","display_name":"Rabies epidemiology and control","value":0.0001095,"subfield":{"id":"https://openalex.org/subfields/2406","display_name":"Virology"},"field":{"id":"https://openalex.org/fields/24","display_name":"Immunology and Microbiology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10118","display_name":"SARS-CoV-2 and COVID-19 Research","value":5.74e-05,"subfield":{"id":"https://openalex.org/subfields/2725","display_name":"Infectious Diseases"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11020","display_name":"Immune Cell Function and Interaction","value":4.29e-05,"subfield":{"id":"https://openalex.org/subfields/2403","display_name":"Immunology"},"field":{"id":"https://openalex.org/fields/24","display_name":"Immunology and Microbiology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10580","display_name":"Immunotherapy and Immune Responses","value":2.15e-05,"subfield":{"id":"https://openalex.org/subfields/2403","display_name":"Immunology"},"field":{"id":"https://openalex.org/fields/24","display_name":"Immunology and Microbiology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"x_concepts":[{"id":"159047783","wikidata":"https://www.wikidata.org/wiki/Q7215","display_name":"Virology","score":0.7930214405059814},{"id":"8891405","wikidata":"https://www.wikidata.org/wiki/Q1059","display_name":"Immune system","score":0.774303674697876},{"id":"86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","score":0.7692975997924805},{"id":"203014093","wikidata":"https://www.wikidata.org/wiki/Q101929","display_name":"Immunology","score":0.7483999729156494},{"id":"71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","score":0.7325000166893005}],"counts_by_year":[{"year":2017,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":4},{"year":2019,"works_count":1,"oa_works_count":1,"cited_by_count":10},{"year":2020,"works_count":1,"oa_works_count":1,"cited_by_count":18},{"year":2021,"works_count":1,"oa_works_count":1,"cited_by_count":69},{"year":2022,"works_count":7,"oa_works_count":7,"cited_by_count":84},{"year":2023,"works_count":7,"oa_works_count":7,"cited_by_count":108},{"year":2024,"works_count":6,"oa_works_count":6,"cited_by_count":116},{"year":2025,"works_count":2,"oa_works_count":2,"cited_by_count":168},{"year":2026,"works_count":4,"oa_works_count":4,"cited_by_count":97}],"display_name_alternatives":["Fredrika Hellgren","Hellgren, Fredrika"],"block_key":"f hellgren","works_api_url":"https://api.openalex.org/works?filter=author.id:A5033560948","updated_date":"2026-11-07T12:08:38","created_date":"2017-11-17T00:00:00"}
