Here's the classic scenario parents (of children too young to currently vaccinate) fear. Taken in the context of the children's hospital filling up (previous post) and you have a waking nightmare.

Unvaccinated, unmasked teacher spreads Covid-19 to elementary school students, CDC reports

The CDC said that some of the affected children at the Marin County, California, school went on to infect other students, their siblings and their parents.