Surveillance of seasonal respiratory viruses among Chilean patients during the COVID‐19 pandemic. Issue 4 (23rd November 2021) - Alonso‐Palomares, Luis A.; Cáceres, C. Joaquín; Tapia, Rodrigo; Aguilera‐Cortés, Paulina; Valenzuela, Santiago; Valiente‐Echeverría, Fernando; Soto‐Rifo, Ricardo; Gaggero, Aldo; Barriga, Gonzalo P.