Effectiveness of a multicomponent intervention to face the COVID-19 pandemic in Rio de Janeiro's favelas: difference-in-differences analysisSilva ADABD, Moraes CB, Bozza HR, Bastos LdSL, Ranzani OT, Hamacher S, Bozza FAMay 1, 2023Ranzani OTGroup LeaderI am a scientist, born in 🇧🇷.