 wash their hands at all or didn't do all five steps of hand washing for a full 20 seconds oh wow those test subjects were spreading bacteria all over everything now this is a fact that most people don't know but this next fact very crucial for us cooking at home or on the grill certain bacteria can live on surfaces for like 72 hours so think about it you're making dinner you've touched chicken touched your spice containers without washing your hands and then in the morning you're cooking eggs and you want to use the same spice in your eggs or something and