Abstract
Influenza is a disease caused by the Influenza virus, member of the Orthomyxoviridae family, which is classified into four different types (A, B, C, and D). The subtypes H1N1, H2N2, and H3N2 (which are variants of the Influenza A virus - IAV) were responsible for causing pandemics throughout the 20th century, in addition to a more recent one at the beginning of the 21st century (in 2009, …