Covid-19/Pregnancy

Ugh just found out I am pregnant work at Walmart and one of my co-workers that I more likely been around on a daily basis has tested positive I am super paranoid and trying to use extra precautions but found myself almost passing out from wearing the mask for long periods of time and dealing with all the new prego symptoms that come with it so Idk what is what but feel fine like I said super paranoid. My fear is I will get it and loose the baby. I need the money and they won't pay you unless you do have it or you can self quarantine unpaid without any repercussions. Can't afford to take off work so I am trying o so hard to just work and not worry so much.