Your question has been fully answered by our members that this is not a risk.
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I am a little bit scared because after tube was emptied i cleaned with sponge and soap the tube and after 10 min my wife used the same sponge (with new water) to make a bath,i thought maybe remain some stuff on the sponge wich touch the genital organ and so.......
This is not a risk for HIV. HIV is transmitted ONLY in the following ways: unprotected vaginal or anal intercourse (penetrating) or sharing IV drug needles. So, you need not worry and do not have any risk at all.
if you think virus is transmitted in that way if this was the case s half of the population in world would have already been infected till know. hiv is not transmitted in that way don't worry for example you will die if a snake bite you directly indirectly you cannot so relax don't worry enjoy your life move on no risk