A roadside barber in Hanoi wearing a protective face mask in February of 2020 -- long before the US recommended face masks.
Mandatory Credit: MANAN VATSYAYANA/AFP/AFP via Getty Images
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Former CDC director: We can prevent the next pandemic
As the United States and the world continue to struggle in the second year of the Covid-19 pandemic, one truth has emerged -- it didn't have to be nearly this bad.
