hand job and STDs

[sunflower1234]

Do I catch an STD if i performed a handjob on a guy ,in a way that my hand also touched the freash semen ????

if yes what is the most likely STD to be transmitted ?
is testing required???:

[Manibabu]

Touching precum to urethra can transmits hiv from a man who had infected by hiv

[sunflower1234]

thanks for your answer
but some websites talk about the possibility of catching some stds (which can be  spread by any kind of  direct contact )like herpes,warts or syphlis ,what about that ?

[world78]

even if the hand came in contact with the freash semen ?? NO

[sunflower1234]

even if the hand came in contact with the freash semen ??

[world78]

You dont get STD by giving/receving handjob.