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Do We Still Need to Keep Wearing Masks Outdoors? Use the 2-out-of-3 Rule

Montana Wears Masks

Science shows that the risk of viral transmission outside is very low. The “two-out-of-three rule” can help you decide whether to mask up.

To lower risk for Covid-19, make sure your activity meets two out of the following three conditions: outdoors, distanced and masked.

Outdoors + Distanced = No Mask Needed

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Outdoors + No Distance = Mask Needed

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Not Outdoors + Distanced = Mask Needed

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