anxious about my child health

[buby]

I suffer from health anxiety for a very long time (18 years). First was fear of contamination (HIV, hepatitis) then was cancer, and a few years ago fear of rheumatic disease/autoimmune disease (spondilitis, rheumatoid arthtritis, myositis) cause I had muscle aches and tingles, pins and needles in my hands and feet. I went to many doctors, I was very stressed because of symptoms, the more I researched potential diseases, the more I got terrified. Eventually I was diagnosed with fibromyalgia. A year ago I got pregnant and all the pregnancy I was terrified I could pass a deadly virus/bacteria to the fetus (listeria, toxoplasmosis) or a dreadful genetic disease (I tested for duchenne gene mutations because of my muscles pain). After my son was born, I breastfed him for about 10 month but 2 weeks ago I found out about a dangerous virus that can be passed through breastmilk (HTLV 1/2) and is endemic in my country and could cause cancer to my child. Of course I tested for this virus, and after a few days I'll get the result of testing (I am very fearfull to find out if I have it or not). Lately I researched some awfull genetic disease that can be transmitted by women to their sons (x linked genetic disease) and cause neurologic degenerativ disease. Symptoms of carrier women match with my symptoms and I'm terrified again.
All these fears consume my energy and I feel sad and anxious all the time. I can't eat, I can't sleep.I love my son to pieces and I'm terrified I could have passed bad genes to him. I can't live this way, always anxious about my son's health. I have nobody to talk to, my husband is sick of me, he doesn't want to listen, my anxiety affected relation with him.