To talk about how this applies to Massachusetts, WBUR's Morning Edition was joined by Dr. Shira Doron, an infectious disease physician and hospital epidemiologist at Tufts Medical Center.

To talk about how this applies to Massachusetts, WBUR's Morning Edition was joined by Dr. Shira Doron, an infectious disease physician and hospital epidemiologist at Tufts Medical Center.

To talk about how this applies to Massachusetts, WBUR's&nbsp;Morning Edition&nbsp;was&nbsp;joined by Dr. Shira Doron, an infectious disease physician and hospital epidemiologist at Tufts Medical Center.

An Epidemiologist Breaks Down How New Mask Guidance Applies To Mass.

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An Epidemiologist Breaks Down How New Mask Guidance Applies To Mass.

An Epidemiologist Breaks Down How New Mask Guidance Applies To Mass.