Jair Bolsonaro, who has said he will personally refuse any Covid-19 vaccine, has cast doubt on the effectiveness and safety of a vaccination that will be rolled out in Brazil as the country's death toll passed 200,000 this week. Manaus, the capital of Brazil's largest state, Amazonas, has been put under a daily 11-hour curfew as it faces a health system breakdown with oxygen shortages and thousands of deaths

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Covid eruption in Brazil's largest state leaves health workers begging for help ► https://www.theguardian.com/world/2021/jan/14/brazil-manaus-amazonas-covid-coronavirus

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