New COVID-19 Variant BA.3.2 Spreads Across the U.S.: What You Need to Know
A new COVID-19 variant, BA.3.2, is currently spreading across the United States, having been detected in wastewater samples from 25 states as of March 26, 2026. While early data suggests it may partially evade immunity from prior infection and vaccination, current evidence indicates that BA.3.2 does not cause more severe illness than other recent variants.
Understanding the BA.3.2 Variant
BA.3.2 is a subvariant of the Omicron family, first detected in a person traveling to the United States in June 2025 [USAToday]. It has been nicknamed “Cicada” due to its prolonged period of remaining largely undetected. What sets BA.3.2 apart is its significant genetic difference, carrying approximately 70 to 75 mutations in the spike protein [WXYZ]. These mutations may enhance its ability to spread and partially circumvent existing immune defenses.
Current Spread and Detection
As of March 26, 2026, BA.3.2 has been identified through:
- Nasal swabs from four American travelers [WXYZ].
- Clinical samples from five patients across four states [WXYZ].
- Wastewater surveillance samples from 25 states, including California, Connecticut, Florida, Hawaii, Idaho, Illinois, Louisiana, Maine, Michigan, Maryland, Massachusetts, Missouri, New Hampshire, New Jersey, Nevada, New York, Ohio, Pennsylvania, Rhode Island, South Carolina, Texas, Utah, Vermont, Virginia, and Wyoming [TimesNowNews].
The variant has also been detected in more than 20 countries worldwide, including Japan, Kenya, the Netherlands, and the United Kingdom [USAToday].
Immune Evasion and Vaccine Effectiveness
Lab tests indicate a lower antibody response against BA.3.2 compared to current vaccines, which are primarily designed to target JN.1 subvariants [WXYZ]. This suggests the variant exhibits “immune escape characteristics,” potentially increasing the likelihood of infection, even in those previously vaccinated or infected. However, vaccines still offer protection against severe illness.
Symptoms and Severity
Currently, there is no indication that BA.3.2 causes more severe illness. Reported cases have presented with mild, cold-like symptoms, similar to other recent variants [WXYZ]. Hospitalized patients have experienced stable outcomes, with all surviving.
What Should You Do?
While BA.3.2 is more widespread than initially thought, it still represents a small percentage of overall COVID-19 cases in the U.S. COVID-19 is now generally causing illness similar in severity to the flu. However, it remains important to stay up-to-date on vaccinations, especially for those over 65 and infants under one, as well as individuals with multiple chronic conditions [WXYZ]. Vaccination continues to provide protection and help prevent serious illness.