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Covid-19: what can we learn from Manaus? – podcast – The Guardian

Sarah Boseley asks what the second wave of Covid-19 infections in the Brazilian city of Manaus can tell us about immunity, viral variants and the path through the…

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The rainforest city of Manaus in the north-west of Brazil was the first in the country to be struck by the pandemic. The virus rapidly spread, and by October last year it was estimated that 76% of the population had been infected a number higher than the theoretical threshold for herd immunity. Yet, in January 2021, cases surged and the health system was once again overwhelmed, with hospitals running out of oxygen and doctors and nurses required to carry out manual ventilation. To find out what…

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