1. Clinical information of the study population
Eleven neonates (3 males, age 3.8± 5.2 days) were enrolled in COVID-19
group. Demographic characteristics and clinical features of COVID-19
group and control group are described in Table 2. There were no
differences in demographic characteristics and between 2 groups. In
COVID-19 group, all the neonates initially experienced mild complaints,
i.e. shortness of breath, increasing respiratory rate, and showed
pneumonia on chest CT or chest X-ray. There were 5 (45%) neonates were
positive results in SARS-CoV-2 nasopharyngeal swabs tests, and 6
patients were positive results in specific IgM and IgG serum tests. The
values of IgM and IgG in this group were 29.5± 27.7 and 73.9± 31.7AU/ml,
respectively.