MINNEAPOLIS (WCCO) — A measles outbreak is spreading in the Twin Cities.

The health department says at least eight children ages 4 and under have now gotten sick in Hennepin County. Six of them had to stay in the hospital. None of the children was vaccinated against measles.

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Most are Somali Minnesotans. The health department says that community has been targeted with misinformation about vaccine risks, so it’s working to alert families to the outbreak.

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The measles virus is highly contagious. Symptoms include fever and a rash.

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