Walked close to dog that have mange/scabies - now very worried

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A dog was tied up on the footpath and had one of those collars around its head. It was scratching itself and doing those shake offs dogs do when wet or excited. I had to walk around it as it was next to a parked car.

Now I am very worried that if it had mange/scabies that it could have transmitted it to me when it shook itself strongly when I walked past. Can mange/scabies be transmitted to humans this way?
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No. They are only transmitted through skin to skin contact.

Do you have anxiety about health or fear of germs? As this seems quite a strong reaction to a relatively usual even of walking by a dog that scratched itself...
And no - unless you petted the dog, you didn't get anything from them. And you have no idea if the dog even had any skin problems. Dogs scratch and shake themselves...

Thank you @Headingtowardsdivorce

I am just so worried especially after reading the posts where people have suffered so much when dealing with scabies.

@Sashya Yes, I do have OCD around certain things, including dogsvand parasites. The dog was scratching so much and was extremely agitated. I am kicking myself for not crossing to the other side of the road. Right now I have a srong compulsion to strip everything off and put it in the wash, just in case, but am fighting the urge to do so. So any help with trying to rationalise things is appreciated.