Clean black rats, see how they run

There was I, on the surgical ward, talking to a few students about cleanliness and surgery, and saying in Oxford we would use fewer antibiotics because we were happy with the cleanliness... when I was interrupted by a large black rat running across the floor between the mats of the patients' relatives. You couldn't make it up !

P.S.  I mentioned this to a midwife who said she too had been bothered by rats running across the delivery ward, but then she came to realise the other problems in obstetrics and rats had moved way down the list, to about number 11.

To save you checking, Malawi has a maternal death rate about three times the world average.