Tag Archives: Public health

Drip in Brazilian COVID-19 cases raises questions about immunity

An unexpectedly positive turn for Brazilian cities once plagued by the coronavirus pandemic raises fresh questions about immunity. A new report in the Washington Post described how the impoverished city of Manaus saw hospitalizations decline, although it had never imposed a lockdown or taken other drastic austerity measures in Asia …

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Everything we know about coronavirus re-infections

At least three people were infected with COVID-19 a second time this week, asking what we know about immunity to the deadly virus. While past infections have been reported in the past, including some in South Korea in May, it later emerged that the cases were likely a result of …

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