professor rania mortars from the institute for medical microbiology and hygiene at philips university of marburg 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 50 colonies on a dish like this and that's kind of one up but louisa had $300.00 so quite a few times more than a few thousands the smarter 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 1st candidates a lurking in the kitchen in sponges for instance. how long is this one been in use . for 5 weeks it's certainly never been washed. the direct contact test shows that the sponge contains gut and skin floor. but also fecal bacteria most of them come from food in serious cases they can cause lung infections or even sepsis. now they're probably sticking to louise's fingers and that's not good because pl