"When the coronavirus vaccines first emerged, they were shown to have 94 to 95 percent efficacy in preventing symptomatic COVID-19.It was a situation where the message from public health officials was fairly simple – get the shot and help prevent the spread of the disease. Vaccine mandates, passports, and other measures were all deemed smart public health policy.But as variants of the disease began to appear and multiply, the vaccines couldn’t keep pace. Infections spread rapidly and Shira Doron, an infectious disease physician and hospital epidemiologist at Tufts Medical Center, said public health messaging couldn’t keep up."
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|Shira Doron, an infectious disease physician and hospital epidemiologist at Tufts Medical Center|