Found out today I have covid. Boss told me to still come to work tomorrow

Found out I have covid today (again 🤦‍️). I told my boss and he said ‘No worries we don’t care anymore see you tomorrow’. Besides the fact that I feel like shit, I think it’s irresponsible to go to work and put others at risk. I’m in a type of automotive sales so I talk to a ton of people everyday. Should I just not go? Or is it actually not that big of a deal if I wear a mask.