COVID-19 Relapse and Reinfection Frequency, Clinical Features of Cases

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dc.contributor.authorAslaner, Hümeyra
dc.contributor.authorAslaner, Hacı Ahmet
dc.contributor.authorSavranlar, Yasemin
dc.contributor.authorBenli, Ali Ramazan
dc.date.accessioned2025-02-24T16:28:42Z
dc.date.available2025-02-24T16:28:42Z
dc.date.issued2022
dc.departmentNuh Naci Yazgan
dc.description.abstractPurpose: How the immune response of people infected with SARS-CoV-2 develops against the virus and how long its effectiveness is one of the most important questions during the pandemic period. We aimed to examine the frequency of relapse and re-infection, examine the influencing factors, evaluate the cases' clinical conditions and symptoms, and examine the severity of subsequent infection. Materials and Methods: This is a descriptive and cross-sectional type study using the Public Health Management System (PHMS) records of the Turkish Ministry of Health. Clinical improvement and negative RT-PCR test results, and positive RT-PCR test results at least 45 days after the first infection were included in this study. The cases were divided into two groups: the relapse group, those positive for 45-89 days after the first infection, and the reinfection group after 90 days recommended by the CDC. Demographic characteristics, whether or not to be a health worker, accompanying chronic illness, and re-positivity periods were evaluated. Results: The total number of cases was 103.096. The number of cases with repeat positivity detected after 45 days was 78. In the study, the number of cases in the relapse group (45-89 days) was 49, while the number of cases in the reinfection group (over 90 days) was 29. Conclusions: The very low rate of reinfection and milder symptoms in the second infection are promising for vaccination studies. Understanding the COVID-19 reinfection could be the key to guiding government and public health decisions in the coming months.
dc.identifier.doi10.46332/aemj.1005961
dc.identifier.endpage325
dc.identifier.issn2619-9203
dc.identifier.issue3
dc.identifier.startpage319
dc.identifier.trdizinid1148068
dc.identifier.urihttps://doi.org/10.46332/aemj.1005961
dc.identifier.urihttps://search.trdizin.gov.tr/tr/yayin/detay/1148068
dc.identifier.urihttps://hdl.handle.net/20.500.14440/364
dc.identifier.volume6
dc.indekslendigikaynakTR-Dizin
dc.language.isoen
dc.relation.ispartofAhi Evran Medical Journal
dc.relation.publicationcategoryMakale - Ulusal Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_TR-Dizin_20250201
dc.subjectMikrobiyoloji
dc.titleCOVID-19 Relapse and Reinfection Frequency, Clinical Features of Cases
dc.typeArticle

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