So lets start thinking about this whole thing logically.

You're boyfriend said he doesnt feel well. Theres a million reasons he might not feel well, have you asked him why he isn't feeling good?
He might not even be ill.
I encourage you to read this, it should ease your anxiety and clear up any misconceptions. http://www.emetophobia.org/showthrea...orovirus-Facts

You're definitely not alone. Take some deep breaths and tell yourself that its going to be ok, because it will be.