Trader consensus on Polymarket reflects an 82.5% implied probability of no new WHO-designated COVID-19 variant of concern before 2027, driven by the absence of any VOC classifications in 2026 despite close monitoring of highly mutated sublineages like BA.3.2 (Cicada), first detected in late 2024 and now spreading in dozens of countries. As of April 2026, ECDC and WHO list no active VOCs, with BA.3.2, NB.1.8.1, and XFG remaining as variants under monitoring due to insufficient evidence of increased transmissibility, severity, or immune escape beyond baseline levels. Low U.S. test positivity (1% as of early May) and sustained vaccine effectiveness against circulating Omicron descendants reinforce this stability, with genomic surveillance showing no alarming shifts in the past month ahead of WHO's May vaccine composition deliberations.