What COVID-19's Evolution Means for Our Future Fifth & Mission

Will we ever be able to get ahead of this relentless virus? It's surpassed the expectations of health experts and scientists: With each mutation, it's been able to evade immunity and become more infectious. Pandemic fatigue nothwithstanding, the coronavirus will still play a major role in our lives. Chronicle health reporter Erin Allday explains the evolution of the virus to host Cecilia Lei. | Unlimited Chronicle access: sfchronicle.com/pod
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