Between the end of last school year and the start of this new one, many more people decided to discard face masks as a preventive against COVID-19, whether in the grocery store or in the school classroom.Because of that transition, an odd thing happened: the number of students testing positive for COVID-19 has skyrocketed: from single-digit numbers showing up positive last spring, to 413 students testing positive, for example, last week between Sept. 6 and Sept. 8.The same switch applies with school staff. Last April, the 26th, three school staff across Hidalgo County tested positive for COVID, while last week,