Como a China usa seu sistema de vigilância para conter coronavírus
Medidas servem até mesmo para identificar onde pessoas estiveram 2 semanas antes de apresentarem sintomas
https://g1.globo.com/mundo/noticia/2020/04/01/como-a-china-usa-seu-sistema-de-vigilancia-para-conter-coronavirus.ghtml
https://g1.globo.com/mundo/noticia/2020/04/01/como-a-china-usa-seu-sistema-de-vigilancia-para-conter-coronavirus.ghtml

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