The Secret Pages: Apologise

DNA from emaciated London Black Death skeletons matches modern plague bacteria and supports airborne theory of spread (headline in The Guardian 2014/03/29)

I heard the rat say to the flea
‘We took the blame for their Black Death.
They owe us an apology.’
I heard the rat say to the flea
‘Their science shows that we’re blame-free,
the plague was spread by human breath.’
I heard the rat say to the flea
‘We took the blame for their Black Death.’