Assunção A Ávila, Freguglia R da S, Vieira M de T, Marioni L da S. Prevalence of flu-like syndrome in healthcare workers in Brazil: a national study, 2020 . Rev. saúde pública [Internet]. 2023 Mar. 15 [cited 2024 Jun. 4];57(1):6. Available from: https://revistas.usp.br/rsp/article/view/209442