As of , the U.S. is contending with a new Omicron subvariant, BA.3.2 , nicknamed "Cicada" . Unlike previous strains that primarily affected older adults, this variant is appearing mostly in children.
In April 2026, health officials are monitoring a specific spike in pediatric cases driven by a new variant, while reflecting on the cumulative impact of the pandemic since its early milestones.
In the last week of April 2026, children represented approximately 22.4% of new COVID-19 cases , accounting for over 71,000 infections in that period alone. Historical Context: The Half-Million Milestone
Detected in at least 23 countries and found in wastewater across 25 U.S. states .
The phrase "over half a million U.S. kids infected" refers to a significant early-pandemic milestone reached in . At that time, a joint report from the American Academy of Pediatrics (AAP) and the Children’s Hospital Association confirmed that 513,415 children had tested positive since the pandemic began. By comparison, as the pandemic progressed: More Than Half a Million U.S. Kids Have Had Coronavirus
Scientists report that while it is highly mutated and potentially better at evading existing immunity, it does not appear to cause more severe illness than previous strains.