Due to its high mutation count, experts believe it may partially evade immunity from past vaccines or infections.
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
While overall cases are low, the BA.3.2 variant is a significant point of interest for researchers. Due to its high mutation count, experts believe
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 Daily COVID-19 cases in the United States reached
It features over 70 substitutions and deletions relative to earlier Omicron strains.
CDC estimates show infections are declining or likely declining in 37 states.
The national rate fell to 1.3% for the week ending April 18, 2026, down from 1.7% the prior week.