Lockdown number one we were told not to touch anything, handrails etcetera were all capable of retaining a virus for days, days & days.
Lockdown number two children allowed to school with bags books and all the surfaces as demonised earlier, plus the risk permutation of transfer to parents.
Everything about this story is full of anomalies with WhOles big enough to permit a Double U fit through just as Whiskers permit the cat to gauge an orifice at speed.