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Letter to the Editor|Articles in Press

Prevalence and clinical features of long COVID from omicron infection in children and adults

Published:February 14, 2023DOI:https://doi.org/10.1016/j.jinf.2023.02.015
Prevalence and clinical features of long COVID from omicron infection in children and adults
Previous ArticleNational and regional prevalence of SARS-CoV-2 antibodies in primary and secondary school children in England: the School Infection Survey, a national open cohort study, November 2021
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      We read with interest the article reported by Elda Righi et al. about persistent symptoms after COVID-19.
      • Righi E.
      • Mirandola M.
      • Mazzaferri F.
      • Dossi G.
      • Razzaboni E.
      • Zaffagnini A.
      • et al.
      Determinants of persistence of symptoms and impact on physical and mental wellbeing in Long COVID: a prospective cohort study.
      J Infect. 2022; 84: 566-572
      Following acute infection, various long-lasting symptoms such as fatigue, headache, cough, and muscle pain are described as “long COVID.”
      • Callard F.
      • Perego E.
      How and why patients made long Covid.
      Soc Sci Med. 2021; 268113426
      The World Health Organization (WHO) and the United States Centers for Disease Control and Prevention (CDC) have given incongruous definitions.

      World Health Organization. Post COVID-19 condition (long COVID). 〈https://wwwwhoint/europe/news-room/fact-sheets/item/post-covid-19-condition〉 Accessed Jan 15, 2023.

      , 
      • Chippa V.
      • Aleem A.
      • Anjum F.
      Post acute coronavirus (COVID-19) syndrome.
      StatPearls Publishing LLC, Treasure Island, FL2022
      The prevalence of long COVID varies widely, partly because of variability in definitions, study design, sampling frame, vaccine status, comorbidity, and other factors.
      • Perlis R.H.
      • Santillana M.
      • Ognyanova K.
      • Safarpour A.
      • Lunz Trujillo K.
      • Simonson M.D.
      • et al.
      Prevalence and correlates of long COVID symptoms among US adults.
      JAMA Netw Open. 2022; 5e2238804
      A study from the United Kingdom revealed that long COVID symptoms lasting more than 4 weeks were reportedly less frequent after Omicron infection (4.5%) than after Delta infection (10.8%).
      • Antonelli M.
      • Pujol J.C.
      • Spector T.D.
      • Ourselin S.
      • Steves C.J.
      Risk of long COVID associated with delta versus omicron variants of SARS-CoV-2.
      Lancet. 2022; 399: 2263-2264
      The variation of coronavirus also played an essential role in affecting the prevalence of long COVID. We investigated the prevalence and clinical features of long COVID from Omicron infection by searching relevant studies in major databases.
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      References

        • Righi E.
        • Mirandola M.
        • Mazzaferri F.
        • Dossi G.
        • Razzaboni E.
        • Zaffagnini A.
        • et al.
        Determinants of persistence of symptoms and impact on physical and mental wellbeing in Long COVID: a prospective cohort study.
        J Infect. 2022; 84: 566-572
        View in Article
        • Callard F.
        • Perego E.
        How and why patients made long Covid.
        Soc Sci Med. 2021; 268113426
        View in Article

      3. World Health Organization. Post COVID-19 condition (long COVID). 〈https://wwwwhoint/europe/news-room/fact-sheets/item/post-covid-19-condition〉 Accessed Jan 15, 2023.

        View in Article
        • Chippa V.
        • Aleem A.
        • Anjum F.
        Post acute coronavirus (COVID-19) syndrome.
        StatPearls Publishing LLC, Treasure Island, FL2022
        View in Article
        • Perlis R.H.
        • Santillana M.
        • Ognyanova K.
        • Safarpour A.
        • Lunz Trujillo K.
        • Simonson M.D.
        • et al.
        Prevalence and correlates of long COVID symptoms among US adults.
        JAMA Netw Open. 2022; 5e2238804
        View in Article
        • Antonelli M.
        • Pujol J.C.
        • Spector T.D.
        • Ourselin S.
        • Steves C.J.
        Risk of long COVID associated with delta versus omicron variants of SARS-CoV-2.
        Lancet. 2022; 399: 2263-2264
        View in Article
        • Reyes M.
        • Gary Jr., H.E.
        • Dobbins J.G.
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        • et al.
        Surveillance for chronic fatigue syndrome--four U.S. cities, September 1989 through August 1993.
        MMWR CDC Surveill Summ. 1997; 46: 1-13
        View in Article
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        Improvement of Long COVID symptoms over one year.
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        View in Article

      Article info

      Publication history

      Published online: February 14, 2023
      Accepted: February 9, 2023

      Publication stage

      In Press Journal Pre-Proof

      Footnotes

      ☆All authors contributed equally to the work.

      Identification

      DOI: https://doi.org/10.1016/j.jinf.2023.02.015

      Copyright

      © 2023 The British Infection Association. Published by Elsevier Ltd. All rights reserved.

      ScienceDirect

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