{"id":"https://openalex.org/A5109487538","orcid":null,"observed_orcids":[],"display_name":"Er-Hei Dai","raw_author_names":["Er-Hei Dai","Er-hei Dai"],"full_name":"Er-hei Dai","works_count":3,"cited_by_count":172,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":2,"i10_index":2},"ids":{"openalex":"https://openalex.org/A5109487538","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I111381250","ror":"https://ror.org/04eymdx19","display_name":"Hebei Medical University","country_code":"CN","type":"education","lineage":["https://openalex.org/I111381250"]},"years":[2024]},{"institution":{"id":"https://openalex.org/I2802541053","ror":"https://ror.org/02bv3c993","display_name":"Academy of Military Medical Sciences","country_code":"CN","type":"facility","lineage":["https://openalex.org/I2802541053"]},"years":[2004]},{"institution":{"id":"https://openalex.org/I4210098384","ror":"https://ror.org/00rd5z074","display_name":"Fifth Hospital of Shijiazhuang","country_code":"CN","type":"healthcare","lineage":["https://openalex.org/I4210098384"]},"years":[2024,2021]}],"last_known_institutions":[{"id":"https://openalex.org/I111381250","ror":"https://ror.org/04eymdx19","display_name":"Hebei Medical University","country_code":"CN","type":"education","lineage":["https://openalex.org/I111381250"]},{"id":"https://openalex.org/I4210098384","ror":"https://ror.org/00rd5z074","display_name":"Fifth Hospital of Shijiazhuang","country_code":"CN","type":"healthcare","lineage":["https://openalex.org/I4210098384"]}],"topics":[{"id":"https://openalex.org/T10118","display_name":"SARS-CoV-2 and COVID-19 Research","count":2,"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/T11495","display_name":"Animal Virus Infections Studies","count":2,"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/T10151","display_name":"Hepatitis C virus research","count":1,"subfield":{"id":"https://openalex.org/subfields/2721","display_name":"Hepatology"},"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/T10340","display_name":"Hepatitis B Virus Studies","count":1,"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/T11314","display_name":"Clinical Laboratory Practices and Quality Control","count":1,"subfield":{"id":"https://openalex.org/subfields/3607","display_name":"Medical Laboratory Technology"},"field":{"id":"https://openalex.org/fields/36","display_name":"Health Professions"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"topic_share":[{"id":"https://openalex.org/T11754","display_name":"SARS-CoV-2 detection and testing","value":1.18e-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/T12576","display_name":"vaccines and immunoinformatics approaches","value":7.5e-06,"subfield":{"id":"https://openalex.org/subfields/1312","display_name":"Molecular Biology"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T11495","display_name":"Animal Virus Infections Studies","value":6.8e-06,"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/T10118","display_name":"SARS-CoV-2 and COVID-19 Research","value":6e-06,"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/T10340","display_name":"Hepatitis B Virus Studies","value":4e-06,"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":"159047783","wikidata":"https://www.wikidata.org/wiki/Q7215","display_name":"Virology","score":0.8187035322189331},{"id":"71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","score":0.7428156137466431},{"id":"159654299","wikidata":"https://www.wikidata.org/wiki/Q79460","display_name":"Antibody","score":0.5396632552146912},{"id":"2522874641","wikidata":"https://www.wikidata.org/wiki/Q808","display_name":"Virus","score":0.34089821577072144},{"id":"142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","score":0.0}],"counts_by_year":[{"year":2004,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":2},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":11},{"year":2021,"works_count":1,"oa_works_count":1,"cited_by_count":33},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":31},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":14},{"year":2024,"works_count":1,"oa_works_count":1,"cited_by_count":11},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":4},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":5}],"display_name_alternatives":["Er-Hei Dai","Er-hei Dai"],"block_key":"e dai","works_api_url":"https://api.openalex.org/works?filter=author.id:A5109487538","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5109487538","updated_date":"2026-11-08T12:57:04","created_date":"2016-06-24T00:00:00"}