)). For the waiter to have touched the
knife in bringing it to you would not lead to transfer of HIV which you could acquire, even in the unlikely situation that the waiter had HIV. HIV is not transferred in this way, in part because it dies very quickly on exposure to the environment,
Just as an additional statement, not only is there no risk to you of HIV from this event but also no risk of other blood borne pathogens such as hepatitis B or C.