I see you have popped a pimple with a safety pin which was present at your house and you are now concerned whether you may have contract hiv during this incident
Please see you cannot contract hiv during these type of incidents
First of all it is unlikely the pin contained any blood on it, but even if there was any blood on it but this virus cannot survive outside human body and it dies very rapidly once it is outside the body, and does not survive on inanimate objects as the pin you mentioned above.
Due to this reason you cannot contract hiv during these types of incidents
Once again I can very confidently & very strongly reassure you, there is certainly no possibility of contracting hiv during the above incident you have mentioned above and you are fully safe, so please not to be scared.
Wishing you the best health!
All the very best!
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Assuring you the best services!
Dr Subbanna MD