COVID-19 hospitalization rates increased among children and adolescents during Delta variant period

An observational analysis using the COVID-NET surveillance system examined COVID-19-associated hospitalization rates among children and adolescents across 14 states. The study focused on the period when the Delta variant was predominant, finding that hospitalization rates increased during this time. No specific effect sizes, absolute numbers, p-values, or confidence intervals were reported for this increase.

The analysis did not report on intervention or exposure factors, comparator groups, or specific population characteristics beyond age. Safety and tolerability data, including adverse events and discontinuations, were not reported in this surveillance analysis. The study also did not provide information on funding sources or potential conflicts of interest.

Key limitations include the observational nature of the data, which can only show association rather than causation. The analysis did not report the magnitude of the increase in hospitalization rates, absolute numbers of hospitalizations, or information about clinical severity of cases. Without these details, the clinical significance of the finding remains uncertain.

For practice, these surveillance data suggest clinicians should be aware of changing hospitalization patterns among pediatric populations during different variant periods. However, the lack of quantitative effect measures and clinical severity data limits specific practice implications. The findings highlight the importance of continued surveillance while recognizing the inherent limitations of observational association data.