At least you aren't responding like a teenage girl. Progress!
I would like to know where you have found immunocompromised to have several meanings. I understand it to mean, an irregular or impaired immune system. That is to say, an immune response which is faulty. The underlying cause which precedes impaired immunity can be multifactorial. However, immunocompromised only means one thing.
i wonder why Herd Theory fell out of favor (assuming my micro class was on par wth modern day concepts) only to see a renaissance now.
Do you have any opinions on the fact that we are in contact with billions of microrganisms daily?