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1) Buonsenso D, Valentini P, Moscato U, Ricciardi W, Roland D: A Pediatric Strategy for the Next Phase of the SARS-CoV-2 Pandemic. Front Pediatr, 2020; 8: 626582798. 2) Hong H, Wang Y, Chung HT, Chen CJ: Clinical charac-teristics of novel coronavirus disease 2019 (COVID-19) in newborns, infants and children. Pediatr Neonatol, 2020; 61: 131-132. 3) Viner RM, Mytton OT, Bonell C, et al: Susceptibility to SARS-CoV-2 Infection Among Children and Adoles-cents Compared With Adults: A Systematic Review and Meta-analysis. JAMA Pediatr, 2021; 175: 143-156. 4) Lu X, Xiang Y, Du H, Wing-Kin Wong G: SARS-CoV-2 infection in children - Understanding the immune responses and controlling the pandemic. Pediatr Allergy Immunol, 2020; 31: 449-453. 5) Cao Q, Chen YC, Chen CL, Chiu CH: SARS-CoV-2 infection in children: Transmission dynamics and clin-ical characteristics. J Formos Med Assoc, 2020; 119: 670-673. 6) Li X, Xu W, Dozier M, He Y, Kirolos A, Theodoratou E: The role of children in transmission of SARS-CoV-2: A rapid review. J Glob Health, 2020; 10: 011101. 7) CDC COVID-19 Response Team: Coronavirus Disease 2019 in Children - United States, February 12-April 2, 2020. MMWR Morb Mortal Wkly Rep, 2020; 69: 422-426. 8) Bedford J, Enria D, Giesecke J, et al: COVID-19: towards controlling of a pandemic. Lancet, 2020; 395: 1015-1018. 9) Maltezou HC, Magaziotou I, Dedoukou X, et al: Chil-dren and Adolescents With SARS-CoV-2 Infection: Epidemiology, Clinical Course and Viral Loads. Pediatr Infect Dis J, 2020; 39: e388-e392.10) Wang Y, Tian H, Zhang L, et al: Reduction of secondary transmission of SARS-CoV-2 in households by face mask use, disinfection and social distancing: a cohort study in Beijing, China. BMJ Glob Health, 2020; 5: e002794.11) Esposito S, Principi N: Mask-wearing in pediatric age. Eur J Pediatr, 2020; 179: 1341-1342.12) Zhang T, Cui X, Zhao X, et al: Detectable SARS-CoV-2 viral RNA in feces of three children during recovery period of COVID-19 pneumonia. J Med Virol, 2020; 92: 909-914.ConclusionWe could not distinguish patients with COVID-19 and those without COVID-19 by symptoms in chil-dren with close contact. Among daily practice, fever and cough were less likely to be seen in chil-dren with COVID-19. Acknowledgmentsnone.none.Author contributionsMethodology was established by TH, MT, HS, and TA. TH, MT, and HS conceptualized the study. YM, YM, HY, KO, NM, MR, and SG performed the analysis. TH, YM, YM, HY, and KO wrote the orig-inal draft and NM, TA, KH, TN, MR, SG, and TS reviewed and edited it. TN, KH, MR, SG, and TS supervised this study. All authors read and approved the final manuscript.Conflicts of interest statementAll authors declare that there are no conflicts of interest.ReferencesFunding