Role of children in household transmission of COVID-19

ObjectiveTransmissibility of COVID-19 by children in the household is not clear. Herein, we describe children’s role in household transmission of COVID-19.Design and settingAll paediatric COVID-19 index cases and their household members reported from 20 January to 6 April 2020 in South Korea were re...

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Bibliographic Details
Published in:Archives of disease in childhood 2021-07, Vol.106 (7), p.709-711
Main Authors: Kim, Jieun, Choe, Young June, Lee, Jin, Park, Young Joon, Park, Ok, Han, Mi Seon, Kim, Jong-Hyun, Choi, Eun Hwa
Format: Article
Language:English
Subjects:
Children
Children & youth
Contact tracing
Coronaviruses
COVID-19
Disease transmission
Epidemics
Epidemiology
Families & family life
Family (Sociological Unit)
Households
Infections
Laboratories
Parents
Pediatrics
Quarantine
School Closing
Severe acute respiratory syndrome coronavirus 2
Social distancing
Symptoms (Individual Disorders)
Test Results
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Summary:ObjectiveTransmissibility of COVID-19 by children in the household is not clear. Herein, we describe children’s role in household transmission of COVID-19.Design and settingAll paediatric COVID-19 index cases and their household members reported from 20 January to 6 April 2020 in South Korea were reviewed. The secondary attack rate (SAR) from child index case to household secondary case was calculated. Epidemiological and clinical findings of child index case-household secondary case pair was assessed.ResultsA total of 107 paediatric COVID-19 index cases and 248 of their household members were identified. One pair of paediatric index-secondary household case was identified, giving a household SAR of 0.5% (95% CI 0.0% to 2.6%). The index case was self-quarantined at home after international travel, stayed in her room, but shared a meal table with the secondary case.ConclusionThe SAR from children to household members was low in the setting of social distancing, underscoring the importance of rigorous contact tracing and early isolation in limiting transmission within households.
ISSN:0003-9888
1468-2044
DOI:10.1136/archdischild-2020-319910