It features over 70 substitutions and deletions relative to earlier Omicron strains.
The national rate fell to 1.3% for the week ending April 18, 2026, down from 1.7% the prior week.
Daily COVID-19 cases in the United States reached a seasonal low in late April 2026, with health officials noting the lowest wastewater viral activity levels in several years. While overall transmission remains at "very low" levels nationwide, a new variant nicknamed "Cicada" (BA.3.2) is gaining ground, already detected in 31 states. Current National Trends
As of late April 2026, national data suggests a period of relative calm following the winter peak. Key metrics include:
Daily Covid-19 Cases In U.s. Highest In Months Guide
It features over 70 substitutions and deletions relative to earlier Omicron strains.
The national rate fell to 1.3% for the week ending April 18, 2026, down from 1.7% the prior week.
Daily COVID-19 cases in the United States reached a seasonal low in late April 2026, with health officials noting the lowest wastewater viral activity levels in several years. While overall transmission remains at "very low" levels nationwide, a new variant nicknamed "Cicada" (BA.3.2) is gaining ground, already detected in 31 states. Current National Trends
As of late April 2026, national data suggests a period of relative calm following the winter peak. Key metrics include: