Answer In-The Chase

[rsvp]

Have always believed the great plague was caused by fleas (carriers being rats) - today on The Chase an answer was given as gerbils - ???? any suggestions as to why?

[sir.prize]

https://www.google.co.uk/?gws_rd=ssl#q=the+great+plague:+gerbils

[Mamyalynne]

http://www.bbc.co.uk/news/science-environment-31588671

[rsvp]

sir-prize and mamylynne I'm in your debt - thank you both