Eight revolting hygiene facts How clean is your world? Here are a few things you might not want to know... Tweet The average kitchen chopping board has 200% more faecal bacteria on it than the average toilet seat Photograph: Getty images More than one in four commuters have faecal matter on their hands Photograph: B.O'Kane / Alamy/Alamy The salad drawer of your fridge may contain more than 750 times the level of bacteria deemed safe Photograph: Fuzzbones / Alamy/Alamy How clean is your wash? Bacteria linked to skin and urine infections can only be killed at 40C and above Photograph: Greg Kuchik/Getty Images 43% of mothers don’t wash their hands after changing their baby’s nappy Photograph: 37976.000000/Getty Images One US study found that TV remote controls were the leading carriers of bacteria in hospital rooms Photograph: Eyebyte / Alamy/Alamy Flushing the toilet without putting the lid down can send germs as far as 6ft away Photograph: Greg Brown / Alamy/Alamy Handbags may carry up to 10,000 bacteria per square inch. 30% have faecal bacteria Photograph: Florian Moser/Getty Images/Stock4B Creative