[blam]

"Actually, there are theories that the Black Death may not have been just bubonic plaque, because some of the symptoms do not fit, and there are few rats in some of the areas where the pandemic struck, such as Iceland. Other candidates are pulmonary anthrax and some Ebola like virus."

I've seen some 'experts' say recently that they believe at least two agents were at work during the Black Death.

[curmudgeonII]

I've seen some 'experts' say recently that they believe at least two agents were at work during the Black Death

There are a number of microbiologists [like me] who believe that the misnamed "Spanish" flu of 1918-1920 was also caused by at least two agents.