{"id":"https://openalex.org/A5026106935","orcid":"https://orcid.org/0000-0002-7344-7060","observed_orcids":["https://orcid.org/0000-0002-7344-7060"],"display_name":"Walda B. van Zyl","raw_author_names":["W B Van Zyl","W. B. VAN ZYL","W. B. van Zyl","W.B. Van Zyl","W.B. Zyl","W.B. van Zyl","Walda B Van Zyl","Walda B van Zyl","Walda B. Van Zyl","Walda B. van Zyl","Walda Brenda van Zyl","Walda van Zyl"],"full_name":"Walda Brenda van Zyl","works_count":28,"cited_by_count":941,"summary_stats":{"2yr_mean_citedness":2.3333333333333335,"h_index":17,"i10_index":21},"ids":{"openalex":"https://openalex.org/A5026106935","orcid":"https://orcid.org/0000-0002-7344-7060","observed_orcids":["https://orcid.org/0000-0002-7344-7060"]},"affiliations":[{"institution":{"id":"https://openalex.org/I107920810","ror":"https://ror.org/00znvbk37","display_name":"National Health Laboratory Service","country_code":"ZA","type":"government","lineage":["https://openalex.org/I107920810"]},"years":[2024,2022,2013]},{"institution":{"id":"https://openalex.org/I26999989","ror":"https://ror.org/009xwd568","display_name":"University of the Free State","country_code":"ZA","type":"education","lineage":["https://openalex.org/I26999989"]},"years":[2000,1997]},{"institution":{"id":"https://openalex.org/I69552723","ror":"https://ror.org/00g0p6g84","display_name":"University of Pretoria","country_code":"ZA","type":"education","lineage":["https://openalex.org/I69552723"]},"years":[2024,2023,2022,2020,2019,2015,2013,2012,2010,2009,2006,2005,2004,2003]}],"last_known_institutions":[{"id":"https://openalex.org/I107920810","ror":"https://ror.org/00znvbk37","display_name":"National Health Laboratory Service","country_code":"ZA","type":"government","lineage":["https://openalex.org/I107920810"]},{"id":"https://openalex.org/I69552723","ror":"https://ror.org/00g0p6g84","display_name":"University of Pretoria","country_code":"ZA","type":"education","lineage":["https://openalex.org/I69552723"]}],"topics":[{"id":"https://openalex.org/T10976","display_name":"Viral gastroenteritis research and epidemiology","count":20,"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/T11331","display_name":"Fecal contamination and water quality","count":14,"subfield":{"id":"https://openalex.org/subfields/2312","display_name":"Water Science and Technology"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11112","display_name":"Viral Infections and Immunology Research","count":10,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular 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/T11086","display_name":"Parasitic Infections and Diagnostics","count":6,"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/T11493","display_name":"Water Treatment and Disinfection","count":4,"subfield":{"id":"https://openalex.org/subfields/2307","display_name":"Health, Toxicology and Mutagenesis"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"topic_share":[{"id":"https://openalex.org/T10976","display_name":"Viral gastroenteritis research and epidemiology","value":0.0001509,"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/T11331","display_name":"Fecal contamination and water quality","value":0.0001225,"subfield":{"id":"https://openalex.org/subfields/2312","display_name":"Water Science and Technology"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11112","display_name":"Viral Infections and Immunology Research","value":5.67e-05,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular 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/T11086","display_name":"Parasitic Infections and Diagnostics","value":3.55e-05,"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/T13847","display_name":"Literature Analysis and Criticism","value":2.72e-05,"subfield":{"id":"https://openalex.org/subfields/2735","display_name":"Pediatrics, Perinatology and Child Health"},"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":0.8701615333557129},{"id":"159047783","wikidata":"https://www.wikidata.org/wiki/Q7215","display_name":"Virology","score":0.8340277075767517},{"id":"86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","score":0.6700860261917114},{"id":"2522874641","wikidata":"https://www.wikidata.org/wiki/Q808","display_name":"Virus","score":0.4687419533729553},{"id":"104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","score":0.19470027089118958}],"counts_by_year":[{"year":1997,"works_count":1,"oa_works_count":0,"cited_by_count":17},{"year":2000,"works_count":1,"oa_works_count":0,"cited_by_count":19},{"year":2003,"works_count":1,"oa_works_count":0,"cited_by_count":93},{"year":2004,"works_count":3,"oa_works_count":1,"cited_by_count":105},{"year":2005,"works_count":2,"oa_works_count":0,"cited_by_count":48},{"year":2006,"works_count":3,"oa_works_count":1,"cited_by_count":171},{"year":2009,"works_count":1,"oa_works_count":0,"cited_by_count":42},{"year":2010,"works_count":2,"oa_works_count":1,"cited_by_count":227},{"year":2012,"works_count":2,"oa_works_count":1,"cited_by_count":77},{"year":2013,"works_count":2,"oa_works_count":2,"cited_by_count":59},{"year":2015,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2016,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2019,"works_count":2,"oa_works_count":2,"cited_by_count":41},{"year":2020,"works_count":1,"oa_works_count":1,"cited_by_count":9},{"year":2022,"works_count":1,"oa_works_count":1,"cited_by_count":21},{"year":2023,"works_count":1,"oa_works_count":1,"cited_by_count":5},{"year":2024,"works_count":3,"oa_works_count":3,"cited_by_count":7}],"display_name_alternatives":["W B Van Zyl","W. B. VAN ZYL","W. B. van Zyl","W.B. Van Zyl","W.B. Zyl","W.B. van Zyl","Walda B Van Zyl","Walda B van Zyl","Walda B. Van Zyl","Walda B. van Zyl","Walda Brenda van Zyl","Walda van Zyl"],"block_key":"w zyl","works_api_url":"https://api.openalex.org/works?filter=author.id:A5026106935","updated_date":"2026-10-12T12:34:37","created_date":"2016-06-24T00:00:00"}
