{"doi":"10.1086/514137","title":"Pediatric Hospitalizations for Croup (Laryngotracheobronchitis): Biennial Increases Associated with Human Parainfluenza Virus 1 Epidemics","abstract":null,"journal":"The Journal of Infectious Diseases","year":1997,"id":618090,"datarank":0.7984514968707613,"base_score":5.3230099791384085,"endowment":5.3230099791384085,"self_citation_contribution":0.7984514968707613,"citation_network_contribution":0.0,"self_endowment_contribution":0.7984514968707613,"citer_contribution":0.0,"corpus_percentile":null,"corpus_rank":null,"citation_count":204,"citer_count":0,"citers_with_citation_signal":0,"citers_with_endowment":0,"datacite_reuse_total":0,"is_dataset":false,"is_dataset_confidence":null,"is_data_producer":false,"deposit_databanks":null,"is_oa":false,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":null,"fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":1594267,"name":"Thomas J. Török","orcid":null,"position":1,"is_corresponding":false},{"id":1594268,"name":"Robert C. Holman","orcid":null,"position":2,"is_corresponding":false},{"id":1594269,"name":"Matthew J. Clarke","orcid":null,"position":3,"is_corresponding":false},{"id":1594270,"name":"Larry J. Anderson","orcid":null,"position":4,"is_corresponding":false},{"id":1594266,"name":"Arthur Marx","orcid":null,"position":0,"is_corresponding":false}],"reference_count":0,"raw_metadata":{"has_enrichment":true,"resolved":true,"title":"Pediatric Hospitalizations for Croup (Laryngotracheobronchitis): Biennial Increases Associated with Human Parainfluenza Virus 1 Epidemics","abstract":"Croup is a common manifestation of respiratory tract infection in children, and human parainfluenza virus 1 (HPIV-1) is the agent most commonly associated with croup. In the United States, HPIV-1 produces a distinctive pattern of biennial epidemics of respiratory illness during the autumn months of odd-numbered years. National Hospital Discharge Survey data for croup hospitalizations among patients <15 years old between 1979 and 1993 were examined along with laboratory-based surveillance data on HPIV-1 activity in the United States. The mean annual number of croup hospitalizations was 41,000 (range, 27,000-62,000/year). Ninety-one percent of hospitalizations occurred among children <5 years of age. Minor peaks in croup hospitalizations occurred each year in February, and major peaks occurred in October of odd-numbered years, coincident with peak HPIV-1 activity. Each biennial epidemic of HPIV-1 was associated with 18,000 excess croup hospitalizations nationwide.","is_dataset_classified":null,"base_score":5.3230099791384085,"endowment":5.3230099791384085,"datacite_reuse_total":0,"file_count":0,"downloads":0,"views":0,"has_version_chain":false,"is_dataset":false,"is_oa":false,"pmid":"9395350","pmcid":null,"openalex_id":"https://openalex.org/W2022283208","authors":[],"funders":[],"total_grants":0,"fwci":4.2834,"citation_percentile":0.94982005,"influential_citations":0,"citation_trend":[{"year":2012,"count":17},{"year":2013,"count":6},{"year":2014,"count":7},{"year":2015,"count":6},{"year":2016,"count":8},{"year":2017,"count":6},{"year":2018,"count":6},{"year":2019,"count":12},{"year":2020,"count":3},{"year":2021,"count":11},{"year":2022,"count":2},{"year":2023,"count":3},{"year":2024,"count":4},{"year":2025,"count":4},{"year":2026,"count":1}],"oa_status":"bronze","license":null,"oa_locations":[{"url":"https://academic.oup.com/jid/article-pdf/176/6/1423/2414716/176-6-1423.pdf","host_type":"journal"},{"url":"https://academic.oup.com/jid/article-pdf/176/6/1423/2414716/176-6-1423.pdf","host_type":"publisher"},{"url":"http://academic.oup.com/jid/article-pdf/176/6/1423/2414716/176-6-1423.pdf","host_type":"publisher"},{"url":"https://doi.org/10.1086/514137","host_type":"journal"},{"url":"https://pubmed.ncbi.nlm.nih.gov/9395350","host_type":"repository"}],"fields_of_study":["Otolaryngology and Infectious Diseases","Streptococcal Infections and Treatments","Respiratory viral infections research","Adenovirus Infections, Human","Adolescent","Age Factors","Child","Child, Preschool","Croup","Disease Outbreaks","Female","Hospitalization","Humans","Infant","Influenza, Human","Male","Parainfluenza Virus 1, Human","Paramyxoviridae Infections","Picornaviridae Infections","Pneumonia, Mycoplasma","Population Surveillance","Respirovirus Infections","Seasons","Sex Factors","United States"],"mesh_terms":["Adenovirus Infections, Human","Adolescent","Age Factors","Child","Child, Preschool","Croup","Disease Outbreaks","Female","Hospitalization","Humans","Infant","Influenza, Human","Male","Parainfluenza Virus 1, Human","Respirovirus Infections","Picornaviridae Infections","Pneumonia, Mycoplasma","Population Surveillance","Seasons","Sex Factors","United States","Paramyxoviridae Infections"],"keywords":["Croup","Virology","Medicine","Virus","Pediatrics"],"sdg_mappings":[{"sdg_number":0,"sdg_label":"Good health and well-being"}],"linked_datasets":[],"clinical_trials":[],"software_tools":[],"database_accessions":[],"source":"live","citation_network_status":"fetched"},"created_at":"2026-08-03T03:27:13.779381Z","pmid":null,"pmcid":null,"fwci":null,"citation_percentile":null,"influential_citations":0,"oa_status":null,"license":null,"views":0,"total_file_size_bytes":0,"version_count":0,"fair_f":null,"fair_a":null,"fair_i":null,"fair_r":null,"fair_zscore":null,"fair_rationale":null,"fair_model":null,"fair_agent_version":null,"fair_fulltext_source":null,"fair_has_llm":null,"fair_computed_at":null,"clinical_trials":[],"software_tools":[],"db_accessions":[],"linked_datasets":[],"topics":[]}