This illustrative image showsna person holding a medical syringe and a Covid-19 vaccine vial in front of the Moderna logo on January 12, 2021, in Edmonton, Alberta, Canada.
Mandatory Credit: Artur Widak/NurPhoto/Getty Images/FILE
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Moderna CEO says Covid vaccines will evolve like 'an iPhone'
Forget taking two to three Covid shots a year. Moderna hopes to roll out a single-dose annual booster to cover the coronavirus, the flu and another common respiratory virus within the next five years.
