“…Journal Pre-proof Braziliense, 2021). Estimates by the World Health Organization show that every year at least 650,000 people die from the direct and indirect effects of the influenza virus in the world (Crépey et al, 2020). In fact, a Brazilian study comparing lethality rates between the COVID-19 pandemic and the influenza epidemic in 2009, showed higher rates for influenza (4%) especially in children and adults with comorbidities (Cândido et al, 2020).…”