According to data released yesterday, the Bay Area has reached an all-time peak in COVID numbers, and those high numbers are affecting how well schools can operate. 

We're just starting to see the impact COVID had over the winter break as kids come back to school--or don't come back. Anecdotally we're hearing of a lot of absences, maybe because kids or family members were exposed, maybe because parents are afraid to send their kids back. 

For more, KCBS news anchors Holly Quan and Eric Thomas spoke with KCBS Insider Phil Matier.