It is for this reason that hand sanitizers are not as effective as soap and water in preventing the spread of many pathogens, since the latter remain on the hands.
Ni kutokana na sababu hii ndipo vieuzi vya mikono havifai zaidi kama sabuni na maji katika kuzuia kuenea kwa viini kwa sababu viini vile bado husalia kwenye mikono.