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Wei M, Yuan J, Liu Y, Fu T, Yu X, Zhang Z. Novel Coronavirus Infection in Hospitalized Infants Under 1 Year of Age in China. JAMA. Published online February 14, 2020. doi:10.1001/jama.2020.2131
Since December 8, 2019, an epidemic of coronavirus disease 2019 (COVID-19) has spread rapidly.1 As of February 6, 2020, China reported 31 211 confirmed cases of COVID-19 and 637 fatalities.
Previous studies suggest that COVID-19 is more likely to infect older adult men, particularly those with chronic comorbidities.2-4 Few infections in children have been reported. We identified all infected infants in China and described demographic, epidemiologic, and clinical features.
For this retrospective study, we identified all hospitalized infants diagnosed with COVID-19 infection between December 8, 2019, and February 6, 2020, in China. The summary number and geographic location of new COVID-19 infections, released daily by the central government, were screened to identify infants (aged 28 days to 1 year). Demographic information, including age, sex, and geographic location, released anonymously by local health departments, were then retrieved and local hospitals and the Centers for Disease Control and Prevention were contacted for demographic data, family clustering (≥1 infected family member residing with the infant), linkage to Wuhan (residing in or visiting Wuhan or contact with visitors from Wuhan ≤2 weeks before the onset of infection), clinical features (symptoms at admission, dates of admission and diagnosis), treatment (intensive care unit or mechanical ventilation), prognosis (any severe complications, including death), and discharge date. Efforts were made to reach families of patients to confirm the information.
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