The WHO or CDC must confirm sustained human-to-human transmission of H5N1 avian influenza (not just isolated spillover cases from animal contact) before January 1, 2028. "Sustained" means at least 3 generations of human-to-human spread documented in a single chain.
Sign in to make predictions, track your accuracy, and compete on the leaderboard.
Sign in to predictNo comments yet. Be the first to share your reasoning.
Sign in to join the discussion