Fig. 1: Unprecedented mortality of marine mammals associated with the HPAIV H5N1 outbreak in Chile.

Documented mortality events of South American sea lions (a) Ñuble Region, (March 19), (b) Arica Region (March 1), (c) Atacama Region, January 10 (d) Tarapaca Region, March 07, (e) Burmeister´s porpoise, Atacama Region (March 29) (f) Chilean dolphin, Maule Region (March, 18) and (g, h) Fin whale, Biobio Region (April 24), in the Pacific coasts of Chile during the H5N1 HPAIV outbreak in Chile during January - April 2023.