Overview
- BA.3.2, nicknamed “Cicada,” has been found in patients and wastewater across several U.S. states, and CDC-cited data place detections in at least 23 countries.
- In Italy, national monitoring shows the lineage now leads recent sequences, yet Covid hospital bed use is 0.6% and case levels remain low.
- The variant carries about 70–75 changes on the spike protein, making it genetically distant from recent strains such as JN.1 and better able to dodge existing antibodies.
- Experts say current vaccines are expected to keep protecting against severe illness, though they may do less to block infection with this strain.
- WHO classifies BA.3.2 as a variant under monitoring, and authorities are intensifying genomic and wastewater tracking as developers consider fall vaccine updates.