{"id":"https://openalex.org/A5073700728","orcid":"https://orcid.org/0000-0001-9020-8312","observed_orcids":["https://orcid.org/0000-0001-9020-8312"],"display_name":"Ralf Ignatius","raw_author_names":["Ignatius, Ralf","R Ignatius","R. Ignatius","Ralf Ignatius"],"full_name":"Ignatius, Ralf","works_count":192,"cited_by_count":4245,"summary_stats":{"2yr_mean_citedness":1.3571428571428572,"h_index":39,"i10_index":89},"ids":{"openalex":"https://openalex.org/A5073700728","orcid":"https://orcid.org/0000-0001-9020-8312","observed_orcids":["https://orcid.org/0000-0001-9020-8312"]},"affiliations":[{"institution":{"id":"https://openalex.org/I157122930","ror":"https://ror.org/04jdq2t93","display_name":"Aaron Diamond AIDS Research Center","country_code":"US","type":"facility","lineage":["https://openalex.org/I157122930"]},"years":[2003,2000]},{"institution":{"id":"https://openalex.org/I2801496451","ror":"https://ror.org/02f99v835","display_name":"German Primate Center","country_code":"DE","type":"facility","lineage":["https://openalex.org/I2801496451","https://openalex.org/I315704651"]},"years":[2004]},{"institution":{"id":"https://openalex.org/I2801780550","ror":"https://ror.org/02bjh0167","display_name":"California Pacific Medical Center","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I114073160","https://openalex.org/I2801780550"]},"years":[2000]},{"institution":{"id":"https://openalex.org/I39343248","ror":"https://ror.org/01hcx6992","display_name":"Humboldt-Universit\u00e4t zu Berlin","country_code":"DE","type":"education","lineage":["https://openalex.org/I39343248"]},"years":[2021,2020,2018]},{"institution":{"id":"https://openalex.org/I4210106076","ror":"https://ror.org/01kdj2848","display_name":"Istituto di Fisiologia Clinica","country_code":"IT","type":"facility","lineage":["https://openalex.org/I4210106076","https://openalex.org/I4210155236"]},"years":[2004]},{"institution":{"id":"https://openalex.org/I4210129859","ror":"https://ror.org/03srd4412","display_name":"Center for HIV and Hepatogastroenterology","country_code":"DE","type":"healthcare","lineage":["https://openalex.org/I4210129859"]},"years":[2020]},{"institution":{"id":"https://openalex.org/I4210129891","ror":"https://ror.org/03b3qq257","display_name":"Hospital Padre Hurtado","country_code":"CL","type":"healthcare","lineage":["https://openalex.org/I4210129891"]},"years":[2007]},{"institution":{"id":"https://openalex.org/I4210132262","ror":"https://ror.org/03zjj0p70","display_name":"Population Council","country_code":"US","type":"nonprofit","lineage":["https://openalex.org/I4210132262"]},"years":[2003]},{"institution":{"id":"https://openalex.org/I4210139777","ror":"https://ror.org/0493xsw21","display_name":"Berlin Institute of Health at Charit\u00e9 - Universit\u00e4tsmedizin Berlin","country_code":"DE","type":"facility","lineage":["https://openalex.org/I4210139777","https://openalex.org/I7877124"]},"years":[2020]},{"institution":{"id":"https://openalex.org/I4210140884","ror":"https://ror.org/040gcmg81","display_name":"National Cancer Institute","country_code":"US","type":"government","lineage":["https://openalex.org/I1299022934","https://openalex.org/I1299303238","https://openalex.org/I4210140884"]},"years":[2003]},{"institution":{"id":"https://openalex.org/I4210164364","ror":"https://ror.org/04xrjem68","display_name":"Institute of Virology of the Slovak Academy of Sciences","country_code":"SK","type":"facility","lineage":["https://openalex.org/I207624831","https://openalex.org/I4210123996","https://openalex.org/I4210164364"]},"years":[1996]},{"institution":{"id":"https://openalex.org/I4210165415","ror":"https://ror.org/05y999856","display_name":"Hospital M\u00e3e de Deus","country_code":"BR","type":"healthcare","lineage":["https://openalex.org/I4210165415"]},"years":[2007]},{"institution":{"id":"https://openalex.org/I4392738228","ror":"https://ror.org/016rf0n60","display_name":"Stiftung Charit\u00e9","country_code":null,"type":"nonprofit","lineage":["https://openalex.org/I4392738228","https://openalex.org/I7877124"]},"years":[2019,2016,2009,2008,2006,2005,2004,2003]},{"institution":{"id":"https://openalex.org/I4405267454","ror":"https://ror.org/02v7y8097","display_name":"Hospital do Rocio","country_code":"BR","type":"healthcare","lineage":["https://openalex.org/I4405267454"]},"years":[2007]},{"institution":{"id":"https://openalex.org/I75951250","ror":"https://ror.org/046ak2485","display_name":"Freie Universit\u00e4t Berlin","country_code":"DE","type":"education","lineage":["https://openalex.org/I75951250"]},"years":[2021,2015,2004,2003,2002,2001,2000,1997,1996,1994]},{"institution":{"id":"https://openalex.org/I7877124","ror":"https://ror.org/001w7jn25","display_name":"Charit\u00e9 - Universit\u00e4tsmedizin Berlin","country_code":"DE","type":"healthcare","lineage":["https://openalex.org/I7877124"]},"years":[2026,2025,2023,2022,2021,2020,2019,2018,2017,2016,2015,2014,2013,2012,2011,2010,2009,2008,2007,2006,2005,2004,2003]},{"institution":{"id":"https://openalex.org/I83399316","ror":"https://ror.org/0420db125","display_name":"Rockefeller University","country_code":"US","type":"education","lineage":["https://openalex.org/I83399316"]},"years":[2002,2001,2000,1998,1997]},{"institution":{"id":"https://openalex.org/I904495901","ror":"https://ror.org/04tsk2644","display_name":"Ruhr University Bochum","country_code":"DE","type":"education","lineage":["https://openalex.org/I904495901"]},"years":[2004]},{"institution":{"id":"https://openalex.org/I91712215","ror":"https://ror.org/01jdpyv68","display_name":"Saarland University","country_code":"DE","type":"education","lineage":["https://openalex.org/I91712215"]},"years":[1996]},{"institution":{"id":"https://openalex.org/I94402716","ror":"https://ror.org/01evwfd48","display_name":"Bernhard Nocht Institute for Tropical Medicine","country_code":"DE","type":"facility","lineage":["https://openalex.org/I315704651","https://openalex.org/I94402716"]},"years":[2004]}],"last_known_institutions":[{"id":"https://openalex.org/I7877124","ror":"https://ror.org/001w7jn25","display_name":"Charit\u00e9 - Universit\u00e4tsmedizin Berlin","country_code":"DE","type":"healthcare","lineage":["https://openalex.org/I7877124"]}],"topics":[{"id":"https://openalex.org/T11086","display_name":"Parasitic Infections and Diagnostics","count":43,"subfield":{"id":"https://openalex.org/subfields/2405","display_name":"Parasitology"},"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/T10976","display_name":"Viral gastroenteritis research and epidemiology","count":34,"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/T10580","display_name":"Immunotherapy and Immune Responses","count":32,"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/T10371","display_name":"Immune Response and Inflammation","count":20,"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/T10695","display_name":"Parasites and Host Interactions","count":19,"subfield":{"id":"https://openalex.org/subfields/2405","display_name":"Parasitology"},"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/T13834","display_name":"Whipple's Disease and Interleukins","value":0.0011331,"subfield":{"id":"https://openalex.org/subfields/2734","display_name":"Pathology and Forensic Medicine"},"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/T10976","display_name":"Viral gastroenteritis research and epidemiology","value":0.0002525,"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/T11086","display_name":"Parasitic Infections and Diagnostics","value":0.0002509,"subfield":{"id":"https://openalex.org/subfields/2405","display_name":"Parasitology"},"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/T12463","display_name":"Amoebic Infections and Treatments","value":0.0001715,"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/T12951","display_name":"Burkholderia infections and melioidosis","value":0.0001329,"subfield":{"id":"https://openalex.org/subfields/2713","display_name":"Epidemiology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"x_concepts":[{"id":"71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","score":0.9834259748458862},{"id":"86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","score":0.9019862413406372},{"id":"159047783","wikidata":"https://www.wikidata.org/wiki/Q7215","display_name":"Virology","score":0.8661768436431885},{"id":"89423630","wikidata":"https://www.wikidata.org/wiki/Q7193","display_name":"Microbiology","score":0.7629909515380859},{"id":"203014093","wikidata":"https://www.wikidata.org/wiki/Q101929","display_name":"Immunology","score":0.7373462319374084}],"counts_by_year":[{"year":1994,"works_count":2,"oa_works_count":0,"cited_by_count":6},{"year":1996,"works_count":3,"oa_works_count":1,"cited_by_count":101},{"year":1997,"works_count":5,"oa_works_count":3,"cited_by_count":239},{"year":1998,"works_count":1,"oa_works_count":0,"cited_by_count":35},{"year":1999,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2000,"works_count":6,"oa_works_count":3,"cited_by_count":407},{"year":2001,"works_count":3,"oa_works_count":1,"cited_by_count":124},{"year":2002,"works_count":5,"oa_works_count":2,"cited_by_count":193},{"year":2003,"works_count":7,"oa_works_count":1,"cited_by_count":256},{"year":2004,"works_count":4,"oa_works_count":3,"cited_by_count":129},{"year":2005,"works_count":3,"oa_works_count":0,"cited_by_count":35},{"year":2006,"works_count":9,"oa_works_count":3,"cited_by_count":224},{"year":2007,"works_count":10,"oa_works_count":5,"cited_by_count":258},{"year":2008,"works_count":15,"oa_works_count":9,"cited_by_count":425},{"year":2009,"works_count":14,"oa_works_count":3,"cited_by_count":355},{"year":2010,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2011,"works_count":5,"oa_works_count":3,"cited_by_count":129},{"year":2012,"works_count":12,"oa_works_count":8,"cited_by_count":405},{"year":2013,"works_count":13,"oa_works_count":10,"cited_by_count":243},{"year":2014,"works_count":10,"oa_works_count":4,"cited_by_count":105},{"year":2015,"works_count":5,"oa_works_count":0,"cited_by_count":41},{"year":2016,"works_count":9,"oa_works_count":4,"cited_by_count":186},{"year":2017,"works_count":4,"oa_works_count":0,"cited_by_count":25},{"year":2018,"works_count":3,"oa_works_count":2,"cited_by_count":86},{"year":2019,"works_count":7,"oa_works_count":4,"cited_by_count":53},{"year":2020,"works_count":12,"oa_works_count":3,"cited_by_count":63},{"year":2021,"works_count":3,"oa_works_count":3,"cited_by_count":65},{"year":2022,"works_count":3,"oa_works_count":3,"cited_by_count":21},{"year":2023,"works_count":2,"oa_works_count":2,"cited_by_count":17},{"year":2024,"works_count":4,"oa_works_count":4,"cited_by_count":0},{"year":2025,"works_count":5,"oa_works_count":5,"cited_by_count":12},{"year":2026,"works_count":5,"oa_works_count":5,"cited_by_count":7}],"display_name_alternatives":["Ignatius, Ralf","R Ignatius","R. Ignatius","Ralf Ignatius"],"block_key":"r ignatius","works_api_url":"https://api.openalex.org/works?filter=author.id:A5073700728","updated_date":"2026-10-19T12:29:13","created_date":"2016-06-24T00:00:00"}
