By Bria Brown

(CBS DETROIT) – Three of the country’s top drugstore chains also now offer same-day COVID-19 vaccine appointments.

Walgreens says same-day appointments will be available starting Wednesday.

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CVS began its same-day shots last week and Rite-Aid will take walk-ins on a limited basis.

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The chains are rolling out the more flexible schedules as demand for the vaccine slows.

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