(1/7) Study of #COVID19 in US children. 277,285 cases were reported between 1 March and 19 September. Incidence higher in adolescents compared to young children (although more adolescents were tested). 1.2% were hospitalised (0.1% ICU), and 0.02% died.
cdc.gov/mmwr/volumes/6…
(2/7) The overall average weekly incidence was as follows:
Ages 5-11 years:
19 cases per 100,000 persons
Ages 12-17 years:
37 cases per 100,000 persons
However, more older children were tested than younger children.
(3/7) Overall, adolescents were more likely to test positive than younger children, but this was not the case in all regions.
In some regions, there was no difference in the proportion of younger and older children testing positive.
(4/7) This suggests that other, unmeasured factors could explain the overall difference between the proportion of young children and adolescents testing positive.
It should not be assumed from these data that younger children are less susceptible to infection.
(5/7) The majority of children did not have any pre-existing medical issues (97%), although this was not the case for those who were hospitalised.
(6/7) At least 16% of those hospitalised had at least one medical condition (27% for those admitted to an ICU). Of those who died, 28% had at least one underlying medical condition.
(7/7) Among all children who tested positive and had at least one medical condition, the most common conditions were lung disease, including asthma (55%), disability (9%), immunosuppression (7%), and diabetes (6%).
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