Clinical characteristics of COVID-19 in family clusters: a systematic review.
Wen-Liang SongNing ZouWen-He GuanJia-Li PanWei XuPublished in: World journal of pediatrics : WJP (2021)
The same virus strain can cause milder disease in children compared with their caregivers. Children of COVID-19 were infected by adults in family during the early epidemic period. Asymptomatic patients can transmit the virus.