Summary
A new COVID variant called BA.3.2, a heavily mutated subvariant of Omicron, has been found in 25 U.S. states and 23 other countries. It may reduce the effectiveness of vaccines and past infections, but current vaccines are still expected to protect against severe illness. Symptoms resemble those of other Omicron variants, and health officials advise getting vaccinated.
Key Facts
- BA.3.2 is a new COVID variant detected in 25 U.S. states and 23 countries.
- The variant is a heavily mutated form of Omicron.
- It was first identified in South Africa in November 2024.
- The U.S. detected it in June 2025 from a traveler arriving in San Francisco.
- BA.3.2 symptoms are similar to other Omicron variants, including cough, fever, and sore throat.
- BA.3.2 carries about 70 to 75 mutations in its spike protein.
- While lab studies suggest reduced vaccine effectiveness, current vaccines are still believed to help prevent severe cases.
- Health experts recommend staying up to date with vaccinations to lower the risk of severe disease.
