CBS News Chief Medical Correspondent Dr. Jon LaPook talks with Lynda Lopez about new research that indicates the need to protect children from airborne particles in classrooms.

See omnystudio.com/policies/listener for privacy information.

CBS News Chief Medical Correspondent Dr. Jon LaPook talks with Lynda Lopez about new research that indicates the need to protect children from airborne particles in classrooms. See omnystudio.com/policies/listener for privacy information.

U.S. Testing Drops Causing Concern  about Safely Reopening Schools

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U.S. Testing Drops Causing Concern about Safely Reopening Schools

U.S. Testing Drops Causing Concern about Safely Reopening Schools