New Zealand's winter of 2026 has begun to loosen its grip, as herd immunity and warmer temperatures slow the spread of a flu season defined by the aggressive K strain of influenza A. Yet the reprieve carries a quiet warning: influenza B still circulates, another cold spell is expected, and the populations who remained unvaccinated remain exposed. Each year, the season teaches the same lesson about collective vulnerability — the question is always whether the memory of suffering outlasts the relief of recovery.