At the current rate of vaccination, the COVID-19 pandemic can only end in 7 years. We need 75% of people to be vaccinated to get herd immunity. What else can be done to expedite this?

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At the current rate of vaccination, the COVID-19 pandemic can only end in 7 years. We need 75% of people to be vaccinated to get herd immunity. What else can be done to expedite this?