Science

.... As more families make the jump back to group day care this fall in an attempt to restart lives and careers, many parents, pediatricians and care operators are finding that new, pandemic-driven rules offer a much-needed layer of safety but also seem incompatible with the germy reality of childhood.

They stem largely from coronavirus guidelines issued by the Centers for Disease Control and Prevention lowering the fever threshold, disqualifying even a single bout of diarrhea or vomiting and making sniffles suspect in group settings.

But the guidelines don’t take into account that young children are prone to catching the common viral infections that help build up their immune systems, or that seasonal allergies, crying, even teething and normal playground exertion can prompt a COVID-19-like symptom.

And the price parents and kids pay for such symptoms — which could easily signal either a happy, healthy toddler, or a lurking case of the disease that has now killed more than 230,000 people in the U.S. — is now a dayslong disruption. ...uilt over neglecting work.