If you’re that concerned, you can have your kid go to school with alcohol wipes. That will kill everything. Everyone around him will just think he’s freaking out about Covid, when he’s actually protecting himself from what other pathogenic bacteria they’re trying to put into their environment. But then again, this could cause a child to become very stressed out, and fearful of everything. I guess you could just go to the school and ask the janitor what they’re using. Or ask somebody at the front desk what do they actually use for sanitizing and cleaning things. All you have to do is take a picture of the label. I don’t think that would be out of the ordinary at this point in time, they just think you’re a Covid freak. Same same