The COVID-19 subvariant BA.3.2, nicknamed “Cicada,” spread internationally, reaching 23 countries and appearing in wastewater across 25 U.S. states. While not a dominant strain in the United States, it has contributed to a notable share of infections in parts of Europe.

A "highly mutated" COVID-19 variant that has been detected in at least 25 states, including Connecticut, is gaining ground, according to health authorities.