BOSTON (CBS) – Massachusetts Gov. Charlie Baker reiterated that classrooms are safe with precautions in place during the coronavirus pandemic.

Baker made the comments during his Thursday media availability.

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The governor said the “real life experience and the research” shows that when it comes to returning to school facilities, classrooms “are not a major source of transmission” of COVID-19.

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“The kids in schools are not spreaders of COVID. I mean, there’s no better example of that right now than the parochial schools in Massachusetts. They have 28,000 kids and 4,000 employees who have been back in-person learning since the middle of August, and they have a handful of cases,” Baker said.

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Baker said in Massachusetts, there have been hundreds of thousands of students returning to the classroom and learning in the hybrid model, with only about 150-160 cases in schools.