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Monitoring COVID-19 and Influenza: The Added Value of a Severe Acute Respiratory Infection Surveillance System in Portugal

2023-02-16Journal article Open access
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dc.contributor.authorTorres, Ana Rita
dc.contributor.authorGómez, Verónica
dc.contributor.authorKislaya, Irina
dc.contributor.authorRodrigues, Ana Paula
dc.contributor.authorTavares, Margarida Fernandes
dc.contributor.authorPereira, Ana Catarina
dc.contributor.authorPereira, Débora
dc.contributor.authorCôrte-Real, Rita
dc.contributor.authorFlores, Carlos Humberto
dc.contributor.authorVerdasca, Nuno
dc.contributor.authorGuiomar, Raquel
dc.contributor.authorMachado, Ausenda
dc.date.accessioned2024-02-14T14:35:37Z
dc.date.available2024-02-14T14:35:37Z
dc.date.issued2023-02-16
dc.description.abstractBackground: Severe acute respiratory infections (SARI) surveillance is recommended to assess the severity of respiratory infections disease. In 2021, the National Institute of Health Doutor Ricardo Jorge, in collaboration with two general hospitals, implemented a SARI sentinel surveillance system based on electronic health registries. We describe its application in the 2021/2022 season and compare the evolution of SARI cases with the COVID-19 and influenza activity in two regions of Portugal. Methods: The main outcome of interest was the weekly incidence of patients hospitalized due to SARI, reported within the surveillance system. SARI cases were defined as patients containing ICD-10 codes for influenza-like illness, cardiovascular diagnosis, respiratory diagnosis, and respiratory infection in their primary admission diagnosis. Independent variables included weekly COVID-19 and influenza incidence in the North and Lisbon and Tagus Valley regions. Pearson and cross-correlations between SARI cases, COVID-19 incidence and influenza incidence were estimated. Results: A high correlation between SARI cases or hospitalizations due to respiratory infection and COVID-19 incidence was obtained (ρ = 0.78 and ρ = 0.82, respectively). SARI cases detected the COVID-19 epidemic peak a week earlier. A weak correlation was observed between SARI and influenza cases (ρ = -0.20). However, if restricted to hospitalizations due to cardiovascular diagnosis, a moderate correlation was observed (ρ = 0.37). Moreover, hospitalizations due to cardiovascular diagnosis detected the increase of influenza epidemic activity a week earlier. Conclusion: In the 2021/2022 season, the Portuguese SARI sentinel surveillance system pilot was able to early detect the COVID-19 epidemic peak and the increase of influenza activity. Although cardiovascular manifestations associated with influenza infection are known, more seasons of surveillance are needed, to confirm the potential use of cardiovascular hospitalizations as an indicator of influenza activity.pt_PT
dc.description.sponsorshipThe data of the study were originally collected as part of the project “Establishing Severe Acute Respiratory Infections (SARI) surveillance and performing hospital-based COVID-19 transmission studies,” and the “Vaccine Effectiveness, Burden, and Impact Studies (VEBIS) of COVID-19 and Influenza,” funded by the European Centre for Disease Prevention and Control through a service contract with Epiconcept (ECD.11236 and Amendment Nos. 1 ECD.11810 and ECDC/2021/016).pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationCan J Infect Dis Med Microbiol. 2023 Feb 16:2023:6590011. doi: 10.1155/2023/6590011. eCollection 2023pt_PT
dc.identifier.doi10.1155/2023/6590011pt_PT
dc.identifier.issn1712-9532
dc.identifier.urihttp://hdl.handle.net/10400.18/9107
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherHindawipt_PT
dc.relation.publisherversionhttps://www.hindawi.com/journals/cjidmm/2023/6590011/pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectSARI Surveillance Systempt_PT
dc.subjectSevere Acute Respiratory Infectionpt_PT
dc.subjectSurveillancept_PT
dc.subjectCOVID-19pt_PT
dc.subjectVEBISpt_PT
dc.subjectE-SARI-Netpt_PT
dc.subjectCuidados de Saúdept_PT
dc.subjectObservação em Saúde e Vigilânciapt_PT
dc.subjectInvestigação em Serviços de Saúdept_PT
dc.subjectVigilância Epidemiológicapt_PT
dc.subjectGripept_PT
dc.subjectEstados de Saúde e de Doençapt_PT
dc.subjectInfecções Respiratóriaspt_PT
dc.subjectPortugal
dc.titleMonitoring COVID-19 and Influenza: The Added Value of a Severe Acute Respiratory Infection Surveillance System in Portugalpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.startPage6590011pt_PT
oaire.citation.titleCanadian Journal of Infectious Diseases and Medical Microbiologypt_PT
oaire.citation.volume2023pt_PT
person.familyNameTorres
person.familyNameGOMEZ TEIXEIRA PINTO
person.familyNameKislaya
person.familyNameRodrigues
person.familyNameVerdasca
person.familyNameGuiomar
person.familyNameMachado
person.givenNameAna Rita
person.givenNameVERÓNICA DEL PILAR
person.givenNameIrina
person.givenNameAna Paula
person.givenNameNuno
person.givenNameRaquel
person.givenNameAusenda
person.identifier.ciencia-idFA1B-D68F-2611
person.identifier.ciencia-idA815-4295-F91D
person.identifier.ciencia-id7B1B-27D1-22F6
person.identifier.ciencia-idAE10-5FAB-7439
person.identifier.ciencia-id1217-6076-5D88
person.identifier.orcid0000-0003-0486-647X
person.identifier.orcid0000-0003-0485-0005
person.identifier.orcid0000-0001-5772-2416
person.identifier.orcid0000-0003-2264-4723
person.identifier.orcid0000-0002-4673-5411
person.identifier.orcid0000-0002-4563-6315
person.identifier.orcid0000-0002-1849-1499
person.identifier.scopus-author-id56442728800
rcaap.embargofctAcesso de acordo com política editorial da revista.pt_PT
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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