The reason for the apparently lower infection rate of children with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) compared to adults is still unclear. Here, we report on 4 schoolchildren with heavy exposure to SARS-CoV-2 with no clinical signs of coronavirus disease 2019, repeated negative nasopharyngeal swabs for SARS-CoV-2 RNA, and no seroconversion.
All Keywords
【저자키워드】 COVID-19, SARS-CoV-2, children, Transmission, infectiousness,
【저자키워드】 COVID-19, SARS-CoV-2, children, Transmission, infectiousness,