How to stay safe?

I work security in a large church with a lot of visitors from all over the world. The church does not want to shut down so my team and I have to continue working. I am looking for idea or ways to prevent my team from contracting anything. Besides the basics like washing hands and not touching your face or mouth, is there any other way we can protect against catching anything? We have to individually pat down males and look inside all bags, we cannot use any sort of metal detector or wand due to religious restrictions during certain times. Anything would be helpful.