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More than half of American adults are fully vaccinated. People are venturing out in public unmasked, hopping on planes, going on dates, and reconnecting with family and friends face to face.
But, in this new phase of the pandemic in the US, our vaccine protection is not yet iron clad. Experts are already watching for signals that could portend a surge of COVID-19 cases this fall or winter, especially in areas of the country with low vaccine coverage. We are nowhere near declaring victory, said Dr. Gregory Poland, director of the Mayo Clinic s Vaccine Research Group.
Interviews with six infectious-disease experts suggest the future of the COVID-19 crisis boils down to three big unknowns about our vaccines. First: how long does vaccine protection last? Second: will the hunt for even better vaccines be a success? And third: when will everyone have access to COVID-19 vaccines?