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  • Nationwide study of rates of reinfection with SARS-CoV-2 among adults in Kuwait / Mona Al-Ahmad;Maryam Alowayesh;Abdullah Al Awadi;Mohammed Alghounaim;Hashem Alhashemi;Laila Al Enezi;Hanouf Rawdhan;Tito Rodriguez-Bouza
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Nationwide study of rates of reinfection with SARS-CoV-2 among adults in Kuwait / Mona Al-Ahmad;Maryam Alowayesh;Abdullah Al Awadi;Mohammed Alghounaim;Hashem Alhashemi;Laila Al Enezi;Hanouf Rawdhan;Tito Rodriguez-Bouza

Tác giả : Mona Al-Ahmad;Maryam Alowayesh;Abdullah Al Awadi;Mohammed Alghounaim;Hashem Alhashemi;Laila Al Enezi;Hanouf Rawdhan;Tito Rodriguez-Bouza

Nhà xuất bản : World Health Organization. Regional Office for the Eastern Mediterranean

Năm xuất bản : 2023

Chủ đề : 1. Betacoronavirus. 2. Coronavirus Disease (COVID-19). 3. COVID-19 -- epidemiology. 4. Disease Outbreaks. 5. SARS-CoV-2. 6. Journal / periodical articles.

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Background: Data are scarce on differences in the rates of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) reinfection after the first infection. Aims: We examined nationwide data on SARS-CoV-2 reinfection in Kuwait according to four-time windows to reinfection: 29–45 days, 46–60 days, 61–90 days, and ≥ 91 days. Methods: This was a population-level retrospective cohort study conducted between 31 March 2020 and 31 March 2021. We reviewed evidence of second positive RT-PCR test results for those who had previously recovered from COVID-19 and tested negative. Results: Reinfection rates were: 0.52% for reinfection window 29–45 days, 0.36% for 45–60 days, 0.29% for 61–90 days, and 0.20% for ≥ 91 days. The mean age (standard deviation [SD]) of individuals with the shortest reinfection time interval (29–45 days) was significantly older than the mean age of all other groups – 43.3 years (SD 17.5) compared with: 39.0 years (SD 16.5), P = 0.037 for 46–60-day interval; 38.3 years (SD 16.5), P = 0.002 for 61–90-day interval; and 39.2 years (SD 14.4), P = 0.001 for ≥ 91-days interval. Conclusion: SARS-CoV-2 reinfection was uncommon among this adult population. Older age was associated with a shorter time to reinfection.
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https://iris.who.int/handle/10665/366546