Prevalence evolution of SARS-CoV-2 infection in the city of São Paulo, 2020-2021.
José Olimpio Moura de AlbuquerqueGabriela Akemi KamiokaGeraldine MadalossoSelma Anequini CostaPaula Bisordi FerreiraFrancisco Alberto PinoAna Paula Sayuri SatoAna Carolina Aguiar de CarvalhoAna Beatriz Pagliaro AmorimCaroline Cotrim AiresAna Paula Arruda Geraldes KataokaElisa San Martin Mouriz SavaniThirsa Alvares Franco BessaBreno Souza de AguiarMarcelo Antunes FaillaEdson Aparecido Dos SantosEdjane Maria Torreão BritoMaria Cristina Honório Dos SantosSolange Maria Saboia E SilvaLuiz Artur Vieira CaldeiraLuiz Carlos ZamarcoSandra Maria Sabino FonsecaMarcia Maria de Cerqueira LimaIvanilda Argenau MarquesFabiana Érica Vilanova da SilvaPaula Regina GlasserPatrícia Carla Piragibe Ramos BurihanCinthya Luzia CavazzanaDebora Silva de MelloAlessandra Cristina Guedes PelliniFernando Yoshiki NishioFernanda Miyashiro KianElza de Santana BragaNilza Maria Piassi BertelliWagner FraciniMarcelo Dell Áquila GonçalvesPaulete Secco ZularRegiane de Santana PivaEduardo de MasiPublished in: Revista de saude publica (2021)
The estimated prevalence of the infection was lower than the cumulative incidence variation, except for the last phase of the study. The differences in prevalence estimates observed among subpopulations showed social inequality as a risk of infection. The lower prevalence observed among those who could follow prevention measures reinforce the need to maintain social distancing measures as a way to prevent SARS-CoV-2 infection.