MINNEAPOLIS (WCCO) – Minnesota health officials are watching for a once rare respiratory virus that’s spreading across the Midwest.

Hundreds of children have showed up at emergency rooms and intensive care units with a severe cough and struggling to breathe.

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The CDC doesn’t know why this summer’s cases of Enterovirus 68 are so severe.

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Adults do not seem to be susceptible.

The Minnesota Department of Health says there’s no evidence of the virus in Minnesota right now.

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Health officials say to avoid getting sick, wash hands, cover coughs, and stay home if you do get sick.