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Clinical characteristics of neonates with coronavirus disease 2019 (COVID-19): a systematic review﻿


 This study aimed to summarize the existing literature on severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection in newborns to clarify the clinical features and outcomes of neonates with COVID-19. A systematic search was performed in PubMed, Embase, Cochrane Library, China National Knowledge Infrastructure (CNKI), Wanfang Data, and VIP databases from January 1, 2019 to April 30, 2020. The references of relevant studies were also searched. A descriptive summary was organized by aspects of clinical presentations (symptoms, laboratory examinations, and imaging) and outcomes. We identified 14 studies reporting 18 newborns with COVID-19. The most common clinical manifestations were fever (62.5%), shortness of breath (50.0%), diarrhea/vomiting/feeding intolerance(43.8%), cough (37.5%), dyspnea (25.0%), and nasal congestion/runny nose/sneeze(25.0%). Atypical symptoms included jaundice and convulsion. Lymphocyte numbers decreased in 5 cases, and radiographic findings were likely to show pneumonia. All newborns recovered and discharged from the hospital, and there was no death.Conclusion: Clinical symptoms of neonatal SARS-CoV-2 infection are atypical, most of them are mild. Up to now, the prognosis of newborns is good, and there is no death. Intrauterine vertical transmission is possible, but confirmed evidence is still lacking. The Long-term follow-up of potential influences of SARS-CoV-2 infection on neonates need further exploration.