TORONTO – Covid-19 and school. The bond, this year, seems to be stronger than in 2020. It is the numbers that give us the picture of the situation: last year at the end of October, 1,966 cases were detected in public schools since the beginning of the school year. This year the infections in the same period of time are as many as 4,454. The fault, say the doctors, is to be attributed to the variant of the Delta coronavirus that some scientists have discovered to be contagious like chickenpox.  (more…)