Influenza Virus Trends inInfluenza Virus Trends inBrazilhealth impact from 2021 to 2023.Key insights on influenza strains andEvolutionary BiologyTracking the Evolution of Influenza Viruses in BrazilA study reveals significant changes in influenza strains across Brazil from 2021 to 2023.2025-08-31T00:24:48+00:00 ― 6 min read