Effect of the Omicron variant on cumulative incidence of infection and lethality during the sixth wave of the COVID-19 epidemic in Spain
The COVID-19 pandemic has strained healthcare systems globally. The successive epidemic waves have shown different characteristics. The Omicron variant of SARS-CoV-2 modified the epidemic behavior that previous variants had followed. The aim of this analysis was to determine the epidemiological char...
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| Veröffentlicht in: | Semergen, medicina de familia medicina de familia, 2024-03, Vol.50 (2), p.102073-102073 |
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| container_title | Semergen, medicina de familia |
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| creator | Serrano-Cumplido, A Ruíz-García, A Del Rio-Herrero, A Antón-Eguía, P B Micó-Pérez, R M Calderón-Montero, A Romero-Rodríguez, E Segura-Fragoso, A Martín-Sánchez, V |
| description | The COVID-19 pandemic has strained healthcare systems globally. The successive epidemic waves have shown different characteristics. The Omicron variant of SARS-CoV-2 modified the epidemic behavior that previous variants had followed. The aim of this analysis was to determine the epidemiological characteristics of COVID-19 during the sixth epidemic wave and its differences according to the predominance of the Delta or Omicron variants. The epidemiological data corresponding to the sixth wave of the epidemic published by official organizations were analyzed, and the cumulative incidence of infection (CI-I) and case fatality rates (CFR) were calculated, both for Spain as a whole and for the different Autonomous Communities, in the population as a whole and by age groups. The results showed that the CI-I was higher with the Ómicron variant (10.89% vs 0.75% with Delta) while the CFR was higher with the Delta variant (4.2‰ vs 1.3‰ with Ómicron), as well as a higher rate of hospitalization and ICU admission with the Delta variant. |
| doi_str_mv | 10.1016/j.semerg.2023.102073 |
| format | Article |
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The successive epidemic waves have shown different characteristics. The Omicron variant of SARS-CoV-2 modified the epidemic behavior that previous variants had followed. The aim of this analysis was to determine the epidemiological characteristics of COVID-19 during the sixth epidemic wave and its differences according to the predominance of the Delta or Omicron variants. The epidemiological data corresponding to the sixth wave of the epidemic published by official organizations were analyzed, and the cumulative incidence of infection (CI-I) and case fatality rates (CFR) were calculated, both for Spain as a whole and for the different Autonomous Communities, in the population as a whole and by age groups. The results showed that the CI-I was higher with the Ómicron variant (10.89% vs 0.75% with Delta) while the CFR was higher with the Delta variant (4.2‰ vs 1.3‰ with Ómicron), as well as a higher rate of hospitalization and ICU admission with the Delta variant.</description><identifier>EISSN: 1578-8865</identifier><identifier>DOI: 10.1016/j.semerg.2023.102073</identifier><identifier>PMID: 37839336</identifier><language>eng ; spa</language><publisher>Spain</publisher><subject>COVID-19 - epidemiology ; Humans ; Incidence ; Pandemics ; SARS-CoV-2 ; Spain - epidemiology</subject><ispartof>Semergen, medicina de familia, 2024-03, Vol.50 (2), p.102073-102073</ispartof><rights>Copyright © 2023 Sociedad Española de Médicos de Atención Primaria (SEMERGEN). Publicado por Elsevier España, S.L.U. 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The successive epidemic waves have shown different characteristics. The Omicron variant of SARS-CoV-2 modified the epidemic behavior that previous variants had followed. The aim of this analysis was to determine the epidemiological characteristics of COVID-19 during the sixth epidemic wave and its differences according to the predominance of the Delta or Omicron variants. The epidemiological data corresponding to the sixth wave of the epidemic published by official organizations were analyzed, and the cumulative incidence of infection (CI-I) and case fatality rates (CFR) were calculated, both for Spain as a whole and for the different Autonomous Communities, in the population as a whole and by age groups. The results showed that the CI-I was higher with the Ómicron variant (10.89% vs 0.75% with Delta) while the CFR was higher with the Delta variant (4.2‰ vs 1.3‰ with Ómicron), as well as a higher rate of hospitalization and ICU admission with the Delta variant.</description><subject>COVID-19 - epidemiology</subject><subject>Humans</subject><subject>Incidence</subject><subject>Pandemics</subject><subject>SARS-CoV-2</subject><subject>Spain - epidemiology</subject><issn>1578-8865</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNo1kM9OwzAMhyMkxKaxN0AoRy4dSZOm2RGNAZMm7cCfa-Wm7papzUrTDvYGPDYZbL5Y_unzZ8mE3HA24Yyr--3EY43tehKzWIQoZqm4IEOepDrSWiUDMvZ-y0IJLrXSV2QgUi2mQqgh-ZmXJZqO7krabZCuamvanaN7aC24EDtq-rqvoLN7pNYZW6AzeMStOy7aQIAraIXdBirbHWjRt9at_2zefncb-gV7PPtnq4_FY8SnFJtgCseChr42YN01uSyh8jg-9RF5f5q_zV6i5ep5MXtYRk3MeRcVCGUuBRiDUkEimJKK52mZlIYLVvAwJAI04wBGqZzLArUsUin1lKWlAjEid__ept199ui7rLbeYFWBw13vs1inOrxQpTKgtye0z2sssqa1NbSH7Pw98QuzCnNB</recordid><startdate>202403</startdate><enddate>202403</enddate><creator>Serrano-Cumplido, A</creator><creator>Ruíz-García, A</creator><creator>Del Rio-Herrero, A</creator><creator>Antón-Eguía, P B</creator><creator>Micó-Pérez, R M</creator><creator>Calderón-Montero, A</creator><creator>Romero-Rodríguez, E</creator><creator>Segura-Fragoso, A</creator><creator>Martín-Sánchez, V</creator><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>7X8</scope></search><sort><creationdate>202403</creationdate><title>Effect of the Omicron variant on cumulative incidence of infection and lethality during the sixth wave of the COVID-19 epidemic in Spain</title><author>Serrano-Cumplido, A ; Ruíz-García, A ; Del Rio-Herrero, A ; Antón-Eguía, P B ; Micó-Pérez, R M ; Calderón-Montero, A ; Romero-Rodríguez, E ; Segura-Fragoso, A ; Martín-Sánchez, V</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p211t-deafb43acce46a5306461b7f5fc130d161b53a801aac66b14de84d7448907f6a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng ; spa</language><creationdate>2024</creationdate><topic>COVID-19 - epidemiology</topic><topic>Humans</topic><topic>Incidence</topic><topic>Pandemics</topic><topic>SARS-CoV-2</topic><topic>Spain - epidemiology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Serrano-Cumplido, A</creatorcontrib><creatorcontrib>Ruíz-García, A</creatorcontrib><creatorcontrib>Del Rio-Herrero, A</creatorcontrib><creatorcontrib>Antón-Eguía, P B</creatorcontrib><creatorcontrib>Micó-Pérez, R M</creatorcontrib><creatorcontrib>Calderón-Montero, A</creatorcontrib><creatorcontrib>Romero-Rodríguez, E</creatorcontrib><creatorcontrib>Segura-Fragoso, A</creatorcontrib><creatorcontrib>Martín-Sánchez, V</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>MEDLINE - Academic</collection><jtitle>Semergen, medicina de familia</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Serrano-Cumplido, A</au><au>Ruíz-García, A</au><au>Del Rio-Herrero, A</au><au>Antón-Eguía, P B</au><au>Micó-Pérez, R M</au><au>Calderón-Montero, A</au><au>Romero-Rodríguez, E</au><au>Segura-Fragoso, A</au><au>Martín-Sánchez, V</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of the Omicron variant on cumulative incidence of infection and lethality during the sixth wave of the COVID-19 epidemic in Spain</atitle><jtitle>Semergen, medicina de familia</jtitle><addtitle>Semergen</addtitle><date>2024-03</date><risdate>2024</risdate><volume>50</volume><issue>2</issue><spage>102073</spage><epage>102073</epage><pages>102073-102073</pages><eissn>1578-8865</eissn><abstract>The COVID-19 pandemic has strained healthcare systems globally. The successive epidemic waves have shown different characteristics. The Omicron variant of SARS-CoV-2 modified the epidemic behavior that previous variants had followed. The aim of this analysis was to determine the epidemiological characteristics of COVID-19 during the sixth epidemic wave and its differences according to the predominance of the Delta or Omicron variants. The epidemiological data corresponding to the sixth wave of the epidemic published by official organizations were analyzed, and the cumulative incidence of infection (CI-I) and case fatality rates (CFR) were calculated, both for Spain as a whole and for the different Autonomous Communities, in the population as a whole and by age groups. The results showed that the CI-I was higher with the Ómicron variant (10.89% vs 0.75% with Delta) while the CFR was higher with the Delta variant (4.2‰ vs 1.3‰ with Ómicron), as well as a higher rate of hospitalization and ICU admission with the Delta variant.</abstract><cop>Spain</cop><pmid>37839336</pmid><doi>10.1016/j.semerg.2023.102073</doi><tpages>1</tpages></addata></record> |
| fulltext | fulltext |
| identifier | EISSN: 1578-8865 |
| ispartof | Semergen, medicina de familia, 2024-03, Vol.50 (2), p.102073-102073 |
| issn | 1578-8865 |
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| source | MEDLINE; ScienceDirect Journals (5 years ago - present) |
| subjects | COVID-19 - epidemiology Humans Incidence Pandemics SARS-CoV-2 Spain - epidemiology |
| title | Effect of the Omicron variant on cumulative incidence of infection and lethality during the sixth wave of the COVID-19 epidemic in Spain |
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