Influenza: comparison between the incidence of the vírus in a underdeveloped country in children up to 9 years

Influenza: comparação entre a incidência do vírus em um país subdesenvolvido em crianças de até 9 anos


  • Bruna Tifani Bitzcof
  • Gabriela Quadri Bortoli



influenza, children, brazil


Influenza is a highly mutated virus and has 4 subdivisions: A, B, C, and D. This agent causes an acute and contagious infection that affects the human respiratory tract, being responsible for epidemics such as H3N2 in 2021. There are unique aspects to how children present with infection that are important to recognize. In addition, children play a significant role in viral transmission within communities. Brazil is no exception, as evidenced by the substantial numbers of cases in the country, disparities among the Brazilian regions were seen. Comparing 2021 with 2020 it is possible to notice an increase of approximately 34% of cases in children in the country.