BA.3.2 COVID variant first seen in U.S. in SFO traveler, now detected nationwide
Lead: A mutated version of SARS‑CoV‑2, designated BA.3.2, was first detected in the United States in a traveler who tested positive at San Francisco International Airport in June 2025 and is now showing signs of broader circulation. A U.S. Centers for Disease Control and Prevention report on March 19 detailed the variant’s genetic changes in … Read more