Need help calming down from trigger

I’m anxious about HIV. What if I get it? That’s a scary thought to me. And then I’m scared/worried about giving it to others, not knowing if I have it, etc.

I had blood work done for a test I was having a couple weeks ago. The phlebotomist hit my vein weird, my arm bled a lot, but eventually stopped. My arm is still sore several days later. The following week I had my bronchoscopy. The nurse used the same arm that was already sore to put in the IV for the meds. My arm started hurting, swelling and burning. I told her it hurt really bad but she ignored me; then I was out. It’s been a week and my arm still hurts, and my veins are tight and hard. Couple that with the white stuff all over my face, that nobody from the care team bothered to wipe off- which I didn’t know about until my husband asked me what it was, I got harm from my OCD! At first I chalked it up to the white stuff on my face was bad bedside manners. Now, I keep thinking that my doctors and everyone associated with the clinics are trying to harm me. This morning I had an incident with the fryer oven while toasting my bagel. I asked my husband about it and he says he didn’t notice anything. I was down to the last few bites of my bagel, and suddenly started feeling loopy. I spit it out and threw the rest away. After sitting awhile thinking of the doctors and phlebotomist etc… it dawned on me that it was my OCD telling me people were trying to harm me. I don’t know how to get over the fact that my arm hurts really bad and my doctor completely ignores my health concerns. I’ve been nauseous for the past two weeks or so - there is definitely something wrong! I think when they find out that you have OCD and/or Anxiety, they treat you differently, as if you’re making up the symptoms. I most certainly haven’t felt heard! My husband always says, what’s wrong now? It’s such a horrible feeling to hear him say that. Is this what you call Harm? Or is it associated with Harm? I’m not sure if this is triggering or not. I hope not.

This is a long one lol but basically, a couple of weeks ago I went to the toilet (#2, sorry for the tmi). Let's just say it was messy. I remember that a speck of.. #2.. Fell off the piece of toilet paper. This was probably the worst thing that could ever happen. I can't remember clearly but I'm pretty sure my jeans were on the floor underneath near where the speck could have fallen. There was also a towel. I don't know exactly where it fell as it was so small, but I made sure both the towel and the jeans went in the laundry basket and I cleaned the floor near there. Fast forward to like the next day. My mum does most of the laundry, so she will have picked up all the towels and clothes from the laundry basket and taken them to the wash. The problem is the speck. I don't know where it went but if it was on the towel and she picked it up.... Thus, contaminated mum. And she also puts clothes away that are dry. I remember that day she put my hoodie in my wardrobe, and I haven't worn it since because I feel it is contaminated. I haven't worn the clothes that have touched the hoodie. This leaves me with not a lot of clothes. And today I finally snapped and picked up a sweatshirt that had maybe touched the hoodie. And now I'm just sat here spiralling, wearing it. What if it touched the speck? What if the speck touched my mum and then touched the hoodie which then touched the sweatshirt I'm wearing? Please I'm so scared.