source https://www.cnn.com/2020/08/29/americas/brazil-javari-valley-indigenous-covid-19-intl/index.html
In Brazil's Javari Valley, isolated communities fear Covid-19 'catastrophe'
Remote indigenous communities in Brazil, who have little or no contact with the outside world, are facing a grave threat from Covid-19 -- and advocates accuse the government of failing to protect these vulnerable groups.
source https://www.cnn.com/2020/08/29/americas/brazil-javari-valley-indigenous-covid-19-intl/index.html
source https://www.cnn.com/2020/08/29/americas/brazil-javari-valley-indigenous-covid-19-intl/index.html