text: some people have the habit of digging nose with fingers. should we worry while shaking hands to avoid hiv? sometimes with some people it happens t5hat a slight amount of blood comes out of nose along with nasal fluids while digging nose with fingers. it is certain that they rub their fingers. that is ok. but can they transmit the virus to another person in such a way. how risky is it to shake hands? should we worry about these things? you could always wear gloves... they didn't fall out of fashion until the 70's. maybe now is a good time to bring the style back, and protect yourself at the same time!