will be analyzing the samples for us. so what did he find right after louisa got up . we found lots of germs that are typically found on the hand like strains of micro caucus and stuff. we would expect a clean washed hand to yield about fifty colonies on a dish like this and it's kind of one up but louisa had three hundred so quite a few times more than a few for the smart that maybe she didn't wash their hands properly or the towel she used to dry them wasn't clean up talk with. what other bacteria will join those germs to find out louisa won't wash their hands for a while. the first candidates are lurking in the kitchen in sponges for instance. how long is this one been in use. for five weeks it's certainly never been washed and. the direct contact test shows that the sponge contains gut own skin for. but