Children’s Hospitalizations Rise Sharply as Delta Fluctuates


Last month, with the increase in Delta, the incidence of Covid in children increased in early summer to reach 16.2 cases per 100,000 children aged 4 and under; 28.5 cases per 100,000 children aged 5-11 years; and 32.7 cases per 100,000 children aged 12-17 years.

This ratio represented a sharp increase from the June low of 1.7 per 100,000 children aged 4 and under; 1.9 cases per 100,000 children aged 5-11 years; and 2.9 for every 100,000 children aged 12 to 17. It was still below the highest incidence of cases among children last January.

According to the CDC study, the proportion of Covid patients under the age of 17 admitted to intensive care units ranged from 10 to 25 percent from August 2020 to last June and hovered at 20 percent by July 2021.

In a second study, researchers analyzed data from the Covid-Net surveillance network, which included information on hospitalizations in 99 counties across 14 states.

Researchers found that during the pandemic – or from March 1, 2020 to August 14, 2021 – there were 49.7 Covid-related hospitalizations per 100,000 children and adolescents.

But weekly rates have been climbing since July. In the week ended 14 August, there were 1.4 Covid-related hospitalizations per 100,000 children, compared to 0.3 in late June and early July. (This falls just under 1.5, the highest weekly hospitalization rate per 100,000 children, in early January 2021 in the post-holiday case wave.)

Hospitalization rates increased most sharply in children aged 4 years and younger. In the week ending 14 August, there were 1.9 hospitalizations per 100,000 children in this age group, nearly 10 times as much as at the end of June.


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