{"id":"https://openalex.org/A5032322871","orcid":"https://orcid.org/0000-0003-4828-9061","observed_orcids":["https://orcid.org/0000-0003-4828-9061"],"display_name":"Yahaya Abdullahi Umar","raw_author_names":["Abdullahi Umar Yahaya","U. Abdullahi","U.A. Yahaya","UMAR ABDULAHI YAHAYA","Umar A. Yahaya","Umar Abdulahi Yahaya","Umar Abdullahi Yahaya","Umar Yahaya A","Umar Yahaya Abdullahi","Y Umar","Y. A. Umar","Y. Umar","Y.A Umar","Y.A. Umar","Yahaya Abdullahi Umar","Yahaya Umar","Yahaya Umar Abdullahi","YahayaAbdullahi Umar"],"full_name":"Yahaya Abdullahi Umar","works_count":44,"cited_by_count":147,"summary_stats":{"2yr_mean_citedness":1.3076923076923077,"h_index":7,"i10_index":5},"ids":{"openalex":"https://openalex.org/A5032322871","orcid":"https://orcid.org/0000-0003-4828-9061","observed_orcids":["https://orcid.org/0000-0003-4828-9061"]},"affiliations":[{"institution":{"id":"https://openalex.org/I33783412","ror":"https://ror.org/02nt7a109","display_name":"Nigerian Defence Academy","country_code":"NG","type":"education","lineage":["https://openalex.org/I33783412"]},"years":[2026,2025,2024,2022,2021,2020,2019,2018,2017,2016]},{"institution":{"id":"https://openalex.org/I4210104694","ror":"https://ror.org/01c7jsk34","display_name":"National Institute for Pharmaceutical Research and Development","country_code":"NG","type":"government","lineage":["https://openalex.org/I4210104694"]},"years":[2019]},{"institution":{"id":"https://openalex.org/I4210145088","ror":"https://ror.org/041q21635","display_name":"Nigerian Institute for Trypanosomiasis Research","country_code":"NG","type":"facility","lineage":["https://openalex.org/I2801477186","https://openalex.org/I4210122850","https://openalex.org/I4210145088"]},"years":[2020]},{"institution":{"id":"https://openalex.org/I64351976","ror":"https://ror.org/016na8197","display_name":"University of Maiduguri","country_code":"NG","type":"education","lineage":["https://openalex.org/I64351976"]},"years":[2024]}],"last_known_institutions":[{"id":"https://openalex.org/I33783412","ror":"https://ror.org/02nt7a109","display_name":"Nigerian Defence Academy","country_code":"NG","type":"education","lineage":["https://openalex.org/I33783412"]}],"topics":[{"id":"https://openalex.org/T10091","display_name":"Malaria Research and Control","count":9,"subfield":{"id":"https://openalex.org/subfields/2739","display_name":"Public Health, Environmental and Occupational Health"},"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/T10695","display_name":"Parasites and Host Interactions","count":7,"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/T12234","display_name":"Mollusks and Parasites Studies","count":6,"subfield":{"id":"https://openalex.org/subfields/1103","display_name":"Animal Science and Zoology"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10890","display_name":"Trypanosoma species research and implications","count":5,"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"}},{"id":"https://openalex.org/T11074","display_name":"Helminth infection and control","count":5,"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/T12685","display_name":"Phytochemical compounds biological activities","value":8.09e-05,"subfield":{"id":"https://openalex.org/subfields/3002","display_name":"Drug Discovery"},"field":{"id":"https://openalex.org/fields/30","display_name":"Pharmacology, Toxicology and Pharmaceutics"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10890","display_name":"Trypanosoma species research and implications","value":3.81e-05,"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"}},{"id":"https://openalex.org/T11979","display_name":"Garlic and Onion Studies","value":3.75e-05,"subfield":{"id":"https://openalex.org/subfields/1110","display_name":"Plant Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10091","display_name":"Malaria Research and Control","value":3.25e-05,"subfield":{"id":"https://openalex.org/subfields/2739","display_name":"Public Health, Environmental and Occupational Health"},"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/T12336","display_name":"Insect Utilization and Effects","value":3.22e-05,"subfield":{"id":"https://openalex.org/subfields/1109","display_name":"Insect Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"x_concepts":[{"id":"71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","score":0.9720208644866943},{"id":"86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","score":0.8241528272628784},{"id":"205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","score":0.5662000179290771},{"id":"203014093","wikidata":"https://www.wikidata.org/wiki/Q101929","display_name":"Immunology","score":0.5530751347541809},{"id":"18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","score":0.5194010734558105}],"counts_by_year":[{"year":2009,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2011,"works_count":3,"oa_works_count":2,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2013,"works_count":2,"oa_works_count":1,"cited_by_count":1},{"year":2014,"works_count":1,"oa_works_count":1,"cited_by_count":4},{"year":2015,"works_count":3,"oa_works_count":1,"cited_by_count":3},{"year":2016,"works_count":2,"oa_works_count":2,"cited_by_count":2},{"year":2017,"works_count":7,"oa_works_count":3,"cited_by_count":2},{"year":2018,"works_count":3,"oa_works_count":3,"cited_by_count":10},{"year":2019,"works_count":1,"oa_works_count":1,"cited_by_count":9},{"year":2020,"works_count":4,"oa_works_count":4,"cited_by_count":18},{"year":2021,"works_count":2,"oa_works_count":2,"cited_by_count":13},{"year":2022,"works_count":2,"oa_works_count":2,"cited_by_count":17},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":16},{"year":2024,"works_count":6,"oa_works_count":6,"cited_by_count":14},{"year":2025,"works_count":4,"oa_works_count":4,"cited_by_count":24},{"year":2026,"works_count":3,"oa_works_count":3,"cited_by_count":13}],"display_name_alternatives":["Abdullahi Umar Yahaya","U. Abdullahi","U.A. Yahaya","UMAR ABDULAHI YAHAYA","Umar A. Yahaya","Umar Abdulahi Yahaya","Umar Abdullahi Yahaya","Umar Yahaya A","Umar Yahaya Abdullahi","Y Umar","Y. A. Umar","Y. Umar","Y.A Umar","Y.A. Umar","Yahaya Abdullahi Umar","Yahaya Umar","Yahaya Umar Abdullahi","YahayaAbdullahi Umar"],"block_key":"y umar","works_api_url":"https://api.openalex.org/works?filter=author.id:A5032322871","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5032322871","updated_date":"2026-11-13T15:08:24","created_date":"2016-06-24T00:00:00"}
