"Between the cross and the sword": Brazilian children face an influenza epidemic while still dealing with the COVID-19 pandemic.

The Influenza activity remained at inter-seasonal levels; however, influenza A(H3N2) detections continue to increase in Brazil, Chile, Paraguay, and Uruguay. Most of the activity and rising trend of A(H3N2) detections are recorded in Brazil. A bulletin issued by the Oswaldo Cruz Foundation (Fiocruz) reported significant presence of the influenza A virus, both in children and in the adult population, among cases of SARS-Cov-2.This situation is worrying, as vaccination campaigns were hampered by the COVID-19 pandemic.