I take Humira for a genetic condition I have, and Humira represses the immune system. It's not that I "hate shaking hands" in church, it's that I shouldn't especially during cold and flu season since shaking hands is a perfect way to transfer either virus.
What irritates me more than anything are the "greeters" who try grabbing your hand to shake it on the way in the door. They get that "put off" look on their face when I place my hand behind my back and say hello rather than shake hands.
One rather overly-aggressive (I say rude) greeter got upset when I refused to shake his hand. It's gotten bad enough that I've taken to carrying something in my right hand on the way into church and simply don't make eye contact anymore.
I don't know why our church has taken to literally forcing folks coming IN to church to run a gauntlet of "greeters."
my wife has a depressed immune system, similar to you.
Alot of my concerns derive from this.
I certainly dont want to bring back things to pass onto her.
Additionally, some years ago I had a job that only gave me 3 sick days a year. So, instead of being content to get 3 colds and 1 flu a year, with 5-7 days off work for all these things(anything in excess of 3 days off from work not paid). I decided to proactively take things in my hands(also a pun), and be more careful about where I put my hands. The counter at a fast food joint where everyone lines up, and has a chance to sneeze, cough, etc. Dont put your hands down there, dont shake hands in church, prefer in hand communion over on the tongue, etc. etc.
She, like me, doesnt shake hands, but finds herself sometimes doing it....consequently she wears cotton or cloth gloves(wool?) to mass at times.
We also go to a church, where they have a ‘Stand Up and Greet’ others at the beginning of mass. Crud! Shake hands twice in a Mass, twice as many people miffed! Me refusing to shake hands in church is not only oft-putting depending on the church, but it makes me uncomfortable as well..but I am mostly used to it.